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<head>
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>九年级英语单词闪卡学习系统</title>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #2E3192, #1BFFFF);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px;
            color: #333;
        }
        
        .header {
            text-align: center;
            margin-bottom: 30px;
            color: white;
            width: 100%;
            max-width: 1200px;
        }
        
        h1 {
            font-size: 2.8rem;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        
        .subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            margin-bottom: 20px;
        }
        
        .grade-selector {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }
        
        .grade-btn {
            padding: 10px 25px;
            background-color: rgba(255, 255, 255, 0.2);
            border: 2px solid white;
            border-radius: 30px;
            color: white;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .grade-btn:hover {
            background-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-3px);
        }
        
        .grade-btn.active {
            background-color: white;
            color: #2E3192;
        }
        
        .container {
            display: flex;
            flex-direction: column;
            align-items: center;
            width: 100%;
            max-width: 1200px;
        }
        
        .stats {
            display: flex;
            justify-content: space-between;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.9);
            border-radius: 15px;
            padding: 15px 20px;
            margin-bottom: 30px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .stat-item {
            text-align: center;
            flex: 1;
        }
        
        .stat-value {
            font-size: 2rem;
            font-weight: bold;
            color: #2E3192;
        }
        
        .stat-label {
            font-size: 0.9rem;
            color: #666;
        }
        
        /* 卡片容器 */
        .card-container {
            width: 100%;
            height: 430px;
            perspective: 1500px;
            margin-bottom: 40px;
        }
        
        .card {
            width: 100%;
            height: 100%;
            position: relative;
            transform-style: preserve-3d;
            transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            border-radius: 20px;
            cursor: pointer;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        }
        
        .card.flipped {
            transform: rotateY(180deg);
        }
        
        .card-front, .card-back {
            position: absolute;
            width: 100%;
            height: 100%;
            backface-visibility: hidden;
            border-radius: 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 40px;
        }
        
        .card-front {
            background: linear-gradient(45deg, #ffffff, #f5f7fa);
            color: #333;
        }
        
        .card-back {
            background: linear-gradient(45deg, #1a237e, #283593);
            color: white;
            transform: rotateY(180deg);
        }
        
        .word {
            font-size: 4rem;
            font-weight: 800;
            margin-bottom: 15px;
            color: #2E3192;
            text-align: center;
            line-height: 1.2;
        }
        
        .phonetic {
            font-size: 1.8rem;
            color: #666;
            margin-bottom: 15px;
            font-style: italic;
        }
        
        .unit {
            font-size: 1.2rem;
            color: #888;
            margin-bottom: 25px;
            padding: 5px 15px;
            background-color: rgba(46, 49, 146, 0.1);
            border-radius: 20px;
        }
        
        .hint {
            font-size: 1.1rem;
            color: #888;
            margin-top: 30px;
            font-style: italic;
        }
        
        .meaning {
            font-size: 2.2rem;
            margin-bottom: 25px;
            text-align: center;
            line-height: 1.3;
        }
        
        .details {
            font-size: 1.4rem;
            color: #ddd;
            text-align: center;
            line-height: 1.4;
            margin-bottom: 15px;
        }
        
        .grade-tag {
            font-size: 1.2rem;
            color: #1BFFFF;
            padding: 5px 15px;
            background-color: rgba(27, 255, 255, 0.2);
            border-radius: 20px;
            margin-top: 15px;
        }
        
        /* 控制按钮 */
        .controls {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }
        
        .btn {
            padding: 14px 28px;
            font-size: 1.1rem;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            transition: all 0.3s ease;
            font-weight: 600;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .btn-primary {
            background-color: #2E3192;
            color: white;
        }
        
        .btn-primary:hover {
            background-color: #1a1d6e;
            transform: translateY(-3px);
        }
        
        .btn-secondary {
            background-color: #ffffff;
            color: #2E3192;
            border: 2px solid #2E3192;
        }
        
        .btn-secondary:hover {
            background-color: #f0f4ff;
            transform: translateY(-3px);
        }
        
        .btn-favorite {
            background-color: #ff6b8b;
            color: white;
        }
        
        .btn-favorite:hover {
            background-color: #ff5577;
            transform: translateY(-3px);
        }
        
        .btn-favorite.active {
            background-color: #ff2e5f;
        }
        
        /* 收藏按钮 */
        .favorite-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            background: transparent;
            border: none;
            font-size: 2.2rem;
            color: #ddd;
            cursor: pointer;
            transition: all 0.3s ease;
            z-index: 10;
        }
        
        .favorite-btn:hover {
            color: #ff6b8b;
        }
        
        .favorite-btn.active {
            color: #ff2e5f;
        }
        
        /* 模态框 */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            z-index: 100;
            justify-content: center;
            align-items: center;
        }
        
        .modal-content {
            background-color: white;
            border-radius: 20px;
            width: 90%;
            max-width: 900px;
            max-height: 80vh;
            overflow-y: auto;
            padding: 30px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
            position: relative;
        }
        
        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }
        
        .modal-title {
            font-size: 1.8rem;
            color: #2E3192;
        }
        
        .close-btn {
            background: none;
            border: none;
            font-size: 2rem;
            color: #999;
            cursor: pointer;
            transition: color 0.3s;
        }
        
        .close-btn:hover {
            color: #333;
        }
        
        .word-list {
            list-style-type: none;
        }
        
        .word-list-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px;
            margin-bottom: 10px;
            background-color: #f9f9f9;
            border-radius: 10px;
            border-left: 5px solid #2E3192;
        }
        
        .word-list-item:hover {
            background-color: #f0f4ff;
        }
        
        .word-info {
            flex: 1;
        }
        
        .word-list-word {
            font-weight: bold;
            font-size: 1.4rem;
            color: #333;
            margin-bottom: 5px;
        }
        
        .word-list-meaning {
            color: #666;
            font-size: 1.1rem;
        }
        
        .word-list-grade {
            color: #888;
            font-size: 0.9rem;
            font-style: italic;
            margin-top: 3px;
        }
        
        .remove-btn {
            background-color: #ff6b8b;
            color: white;
            border: none;
            border-radius: 5px;
            padding: 8px 15px;
            cursor: pointer;
            font-size: 0.9rem;
            transition: background-color 0.3s;
        }
        
        .remove-btn:hover {
            background-color: #ff2e5f;
        }
        
        /* 音频按钮 */
        .audio-btn {
            position: absolute;
            bottom: 20px;
            right: 20px;
            background-color: rgba(255, 255, 255, 0.2);
            border: none;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            color: white;
            font-size: 1.8rem;
        }
        
        .audio-btn:hover {
            background-color: rgba(255, 255, 255, 0.3);
            transform: scale(1.1);
        }
        
        .audio-btn.front {
            background-color: rgba(46, 49, 146, 0.1);
            color: #2E3192;
        }
        
        .audio-btn.front:hover {
            background-color: rgba(46, 49, 146, 0.2);
        }
        
        /* 进度指示器 */
        .progress {
            width: 100%;
            max-width: 1000px;
            margin-bottom: 20px;
        }
        
        .progress-bar {
            height: 8px;
            background-color: rgba(255, 255, 255, 0.2);
            border-radius: 4px;
            overflow: hidden;
        }
        
        .progress-fill {
            height: 100%;
            background-color: #2E3192;
            width: 0%;
            transition: width 0.5s ease;
        }
        
        .progress-text {
            text-align: center;
            color: white;
            margin-top: 8px;
            font-size: 0.9rem;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .card-container {
                height: 380px;
            }
            
            .word {
                font-size: 3.2rem;
            }
            
            .meaning {
                font-size: 1.9rem;
            }
            
            .controls {
                gap: 15px;
            }
            
            .btn {
                padding: 12px 20px;
                font-size: 1rem;
            }
            
            .grade-selector {
                flex-wrap: wrap;
                justify-content: center;
            }
        }
        
        @media (max-width: 480px) {
            h1 {
                font-size: 2.2rem;
            }
            
            .card-container {
                height: 350px;
            }
            
            .word {
                font-size: 2.5rem;
            }
            
            .meaning {
                font-size: 1.7rem;
            }
            
            .controls {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                max-width: 300px;
            }
            
            .stats {
                flex-direction: column;
                gap: 15px;
            }
        }
    </style>
</head>
<body>
    <div class="header">
        <h1>九年级英语单词闪卡学习系统</h1>
        <p class="subtitle">点击卡片翻转，收藏重要单词，按年级筛选学习</p>
        
        <div class="grade-selector">
            <button class="grade-btn active" id="grade-all">全部单词</button>
            <button class="grade-btn" id="grade-9a">九年级上册</button>
            <button class="grade-btn" id="grade-9b">九年级下册</button>
        </div>
    </div>
    
    <div class="container">
        <div class="stats">
            <div class="stat-item">
                <div class="stat-value" id="total-words">0</div>
                <div class="stat-label">总单词数</div>
            </div>
            <div class="stat-item">
                <div class="stat-value" id="current-index">0</div>
                <div class="stat-label">当前进度</div>
            </div>
            <div class="stat-item">
                <div class="stat-value" id="favorite-count">0</div>
                <div class="stat-label">已收藏</div>
            </div>
        </div>
        
        <div class="progress">
            <div class="progress-bar">
                <div class="progress-fill" id="progress-fill"></div>
            </div>
            <div class="progress-text" id="progress-text">0/0</div>
        </div>
        
        <div class="card-container">
            <div class="card" id="card">
                <button class="favorite-btn" id="favorite-btn">
                    <i class="far fa-heart"></i>
                </button>
                
                <div class="card-front">
                    <div class="unit" id="unit-front"></div>
                    <div class="word" id="word-front"></div>
                    <div class="phonetic" id="phonetic-front"></div>
                    <p class="hint">点击卡片查看释义</p>
                    <button class="audio-btn front" id="audio-btn-front">
                        <i class="fas fa-volume-up"></i>
                    </button>
                </div>
                
                <div class="card-back">
                    <div class="meaning" id="meaning-back"></div>
                    <div class="details" id="details-back"></div>
                    <div class="grade-tag" id="grade-tag"></div>
                    <button class="audio-btn" id="audio-btn-back">
                        <i class="fas fa-volume-up"></i>
                    </button>
                </div>
            </div>
        </div>
        
        <div class="controls">
            <button class="btn btn-secondary" id="prev-btn">
                <i class="fas fa-arrow-left"></i> 上一个
            </button>
            <button class="btn btn-primary" id="flip-btn">
                <i class="fas fa-sync-alt"></i> 翻转卡片
            </button>
            <button class="btn btn-favorite" id="toggle-favorite-btn">
                <i class="far fa-heart"></i> 收藏单词
            </button>
            <button class="btn btn-primary" id="next-btn">
                下一个 <i class="fas fa-arrow-right"></i>
            </button>
            <button class="btn btn-secondary" id="random-btn">
                <i class="fas fa-random"></i> 随机单词
            </button>
        </div>
        
        <div class="controls">
            <button class="btn btn-secondary" id="show-favorites-btn">
                <i class="fas fa-bookmark"></i> 查看生词本
            </button>
            <button class="btn btn-secondary" id="reset-progress-btn">
                <i class="fas fa-redo"></i> 重置进度
            </button>
        </div>
    </div>
    
    <!-- 生词本模态框 -->
    <div class="modal" id="favorites-modal">
        <div class="modal-content">
            <div class="modal-header">
                <h2 class="modal-title">我的生词本</h2>
                <button class="close-btn" id="close-modal-btn">&times;</button>
            </div>
            <div id="favorites-list"></div>
            <div style="text-align: center; margin-top: 20px; color: #666; font-style: italic;" id="empty-favorites-message">
                生词本为空，点击卡片上的❤️按钮收藏单词
            </div>
        </div>
    </div>
    
    <script>
        // 单词数据 - 九年级上册和下册单词
        const words = [
            // 九年级上册单词
            { word: "man-made", meaning: "adj.人造的", phonetic: "['mænmeɪd]", details: "", unit: "九上" },
            { word: "natural", meaning: "adj.大自然的", phonetic: "['nætʃərəl]", details: "", unit: "九上" },
            { word: "wonder", meaning: "n.奇观，奇迹", phonetic: "['wʌndə]", details: "", unit: "九上" },
            { word: "discussion", meaning: "n.讨论，商讨", phonetic: "[dɪ'skʌʃən]", details: "", unit: "九上" },
            { word: "eastern", meaning: "adj.在东边的，来自东边的", phonetic: "[ˈiːst(ə)n]", details: "", unit: "九上" },
            { word: "though", meaning: "conj.虽然，但是", phonetic: "[ðəʊ]", details: "", unit: "九上" },
            { word: "loud", meaning: "adj.(声音)响亮的", phonetic: "[laʊd]", details: "", unit: "九上" },
            { word: "wow", meaning: "int.呀，哇(用于表示惊讶或赞叹)", phonetic: "[waʊ]", details: "", unit: "九上" },
            { word: "opinion", meaning: "n.看法，主张", phonetic: "[əˈpɪnjən]", details: "", unit: "九上" },
            { word: "in one's opinion", meaning: "按某人的意见，据某人看来", phonetic: "", details: "", unit: "九上" },
            { word: "more than", meaning: "超过", phonetic: "[mɔː//ðæn]", details: "", unit: "九上" },
            { word: "electricity", meaning: "n.电", phonetic: "[ɪlekˈtrɪsəti]", details: "", unit: "九上" },
            { word: "millions of", meaning: "大量的，无数的", phonetic: "", details: "", unit: "九上" },
            { word: "below", meaning: "prep.在下面，在……以下", phonetic: "[bɪ'ləʊ]", details: "", unit: "九上" },
            { word: "shine", meaning: "v.照耀", phonetic: "/ʃaɪn/ (/ʃɒn/ /ʃaɪnd/ )", details: "(shone /shined, shone /shined)", unit: "九上" },
            { word: "sign", meaning: "n.迹象，标志，招牌", phonetic: "[saɪn]", details: "", unit: "九上" },
            { word: "silent", meaning: "adj.寂静的", phonetic: "[ˈsaɪlənt]", details: "", unit: "九上" },
            { word: "silver", meaning: "adj.银灰色的，银制的", phonetic: "[ˈsɪlvə]", details: "", unit: "九上" },
            { word: "sky", meaning: "n.天，天空", phonetic: "[skaɪ]", details: "", unit: "九上" },
            { word: "grey", meaning: "adj.灰色的，(天气)阴沉的", phonetic: "[greɪ]", details: "", unit: "九上" },
            { word: "go through", meaning: "穿过", phonetic: "", details: "", unit: "九上" },
            { word: "beside", meaning: "prep.在……旁边，在……附近", phonetic: "[bɪ'saɪd]", details: "", unit: "九上" },
            { word: "reply", meaning: "v.回答，答复", phonetic: "[rɪ'plaɪ]", details: "", unit: "九上" },
            { word: "clear", meaning: "v.(烟雾等)开始消失", phonetic: "[klɪə]", details: "", unit: "九上" },
            { word: "fall away", meaning: "突然向下倾斜", phonetic: "", details: "", unit: "九上" },
            { word: "stream", meaning: "n.小河，小溪", phonetic: "[striːm]", details: "", unit: "九上" },
            { word: "nearly", meaning: "adv.几乎，差不多", phonetic: "['nɪəli]", details: "", unit: "九上" },
            { word: "on top of", meaning: "在……上面，盖住", phonetic: "", details: "", unit: "九上" },
            { word: "canyon", meaning: "n.峡谷", phonetic: "['kænjən]", details: "", unit: "九上" },
            { word: "remain", meaning: "v.逗留，留下", phonetic: "[rɪˈmeɪn]", details: "", unit: "九上" },
            { word: "by", meaning: "prep.在……旁边，靠近", phonetic: "[baɪ]", details: "", unit: "九上" },
            { word: "found", meaning: "v.创立，创建", phonetic: "[faʊnd]", details: "", unit: "九上" },
            { word: "since then", meaning: "从那以后", phonetic: "", details: "", unit: "九上" },
            { word: "flag", meaning: "n.旗，旗帜", phonetic: "[flæɡ]", details: "", unit: "九上" },
            { word: "until", meaning: "prep.&conj.直到……为止", phonetic: "[ʌn'tɪl]", details: "", unit: "九上" },
            { word: "off", meaning: "adv.不上课，休息，不工作", phonetic: "[ˈɒf]", details: "", unit: "九上" },
            { word: "all kinds of", meaning: "各种各样的", phonetic: "", details: "", unit: "九上" },
            { word: "vacation", meaning: "n.假期，假日", phonetic: "[vəˈkeɪʃ(ə)n]", details: "", unit: "九上" },
            { word: "take a vacation", meaning: "去度假", phonetic: "", details: "", unit: "九上" },
            { word: "season", meaning: "n.度假旺季，节期", phonetic: "['siːzn]", details: "", unit: "九上" },
            { word: "kid", meaning: "n.小孩", phonetic: "[kɪd]", details: "", unit: "九上" },
            { word: "have fun", meaning: "玩得高兴，有乐趣", phonetic: "", details: "", unit: "九上" },
            { word: "band", meaning: "n.乐队", phonetic: "[bænd]", details: "", unit: "九上" },
            { word: "UK", meaning: "英国", phonetic: "[juːˈkeɪ]", details: "", unit: "九上" },
            { word: "as soon as", meaning: "一……就……", phonetic: "", details: "", unit: "九上" },
            { word: "fourth", meaning: "num.第四", phonetic: "[ˈfɔːθ]", details: "", unit: "九上" },
            { word: "sixth", meaning: "num.第六", phonetic: "[sɪksθ]", details: "", unit: "九上" },
            { word: "seventh", meaning: "num.第七", phonetic: "[ˈsevənθ]", details: "", unit: "九上" },
            { word: "eighth", meaning: "num.第八", phonetic: "[eɪtθ]", details: "", unit: "九上" },
            { word: "ninth", meaning: "num.第九", phonetic: "[naɪnθ]", details: "", unit: "九上" },
            { word: "tenth", meaning: "num.第十", phonetic: "[tenθ]", details: "", unit: "九上" },
            { word: "twelfth", meaning: "num.第十二", phonetic: "[twelfθ]", details: "", unit: "九上" },
            { word: "twentieth", meaning: "num.第二十", phonetic: "['twentiːɪθ]", details: "", unit: "九上" },
            { word: "among", meaning: "prep.在……之中", phonetic: "[ə'mʌŋ]", details: "", unit: "九上" },
            { word: "speech", meaning: "n.演说，讲演", phonetic: "[spiːtʃ]", details: "", unit: "九上" },
            { word: "pioneer", meaning: "n.开拓者，先驱者", phonetic: "[ˌpaɪə'nɪə]", details: "", unit: "九上" },
            { word: "grow", meaning: "v.种植，栽培(植物)", phonetic: "[grəʊ]", details: "", unit: "九上" },
            { word: "corn", meaning: "n.谷物，玉米", phonetic: "[kɔːn]", details: "", unit: "九上" },
            { word: "following", meaning: "adj.接着的，接下来的", phonetic: "[ˈfɒləʊwɪŋ]", details: "", unit: "九上" },
            { word: "lay", meaning: "摆放(餐桌)", phonetic: "/leɪ/(/leɪd/ )", details: "(laid, laid)", unit: "九上" },
            { word: "lay the table", meaning: "摆放餐桌", phonetic: "", details: "", unit: "九上" },
            { word: "over", meaning: "adj.完了的，结束的", phonetic: "['əʊvə]", details: "", unit: "九上" },
            { word: "dish", meaning: "n.盘，碟", phonetic: "[dɪʃ]", details: "", unit: "九上" },
            { word: "parade", meaning: "n.(庆祝)游行", phonetic: "/pəˈreɪd/", details: "", unit: "九上" },
            { word: "ourselves", meaning: "pron.我们自己", phonetic: "[ˌaʊə'selvz]", details: "", unit: "九上" },
            { word: "including", meaning: "prep.包含，包括", phonetic: "", details: "", unit: "九上" },
            { word: "medal", meaning: "n.奖牌，奖章", phonetic: "[ˈmed(ə)l]", details: "", unit: "九上" },
            { word: "attend", meaning: "v.上(学)，出席，参加(事件或活动)", phonetic: "[əˈtend]", details: "", unit: "九上" },
            { word: "abroad", meaning: "adv.在国外，到国外", phonetic: "[ə'brɔːd]", details: "", unit: "九上" },
            { word: "once again", meaning: "再一次", phonetic: "", details: "", unit: "九上" },
            { word: "doctor", meaning: "n.博士", phonetic: "[ˈdɒktə]", details: "", unit: "九上" },
            { word: "degree", meaning: "n.课程，学位", phonetic: "[dɪˈɡriː]", details: "", unit: "九上" },
            { word: "whatever", meaning: "pron.无论什么，不管什么", phonetic: "[wɒtˈevə]", details: "", unit: "九上" },
            { word: "give up", meaning: "放弃(努力)", phonetic: "", details: "", unit: "九上" },
            { word: "amazing", meaning: "adj.惊人的，极好的", phonetic: "[ə'meɪzɪŋ]", details: "", unit: "九上" },
            { word: "will", meaning: "n.意志，决心", phonetic: "[wɪl]", details: "", unit: "九上" },
            { word: "victory", meaning: "n.成功，胜利", phonetic: "[ˈvɪktəri]", details: "", unit: "九上" },
            { word: "simply", meaning: "adv.实在，的确", phonetic: "[ˈsɪmpli]", details: "", unit: "九上" },
            { word: "Canadian", meaning: "adj.加拿大的，加拿大人的", phonetic: "[kə'neɪdɪən]", details: "", unit: "九上" },
            { word: "sick", meaning: "adj.(感觉)不适的，生病的", phonetic: "[sɪk]", details: "", unit: "九上" },
            { word: "soldier", meaning: "n.军人，士兵", phonetic: "['səʊldʒə]", details: "", unit: "九上" },
            { word: "treat", meaning: "v.医治，治疗", phonetic: "[triːt]", details: "", unit: "九上" },
            { word: "war", meaning: "n.战争", phonetic: "[wɔː]", details: "", unit: "九上" },
            { word: "wound", meaning: "n.伤，伤口", phonetic: "[wuːnd]", details: "", unit: "九上" },
            { word: "die for", meaning: "为……而死", phonetic: "", details: "", unit: "九上" },
            { word: "wounded", meaning: "adj.受伤的", phonetic: "[wuːndɪd]", details: "", unit: "九上" },
            { word: "realise", meaning: "v.了解，意识到", phonetic: "[ˈrɪəlaɪz]", details: "", unit: "九上" },
            { word: "dying", meaning: "adj.垂死的，即将死亡的", phonetic: "/ˈdaɪɪŋ/", details: "", unit: "九上" },
            { word: "care", meaning: "n.照顾，照料", phonetic: "[keə]", details: "", unit: "九上" },
            { word: "take care of", meaning: "照顾，护理", phonetic: "", details: "", unit: "九上" },
            { word: "tool", meaning: "n.工具，器械", phonetic: "[tuːl]", details: "", unit: "九上" },
            { word: "invention", meaning: "n.发明，发明物", phonetic: "[ɪn'venʃən]", details: "", unit: "九上" },
            { word: "at that time", meaning: "那时候", phonetic: "", details: "", unit: "九上" },
            { word: "on one's own", meaning: "独自一人", phonetic: "", details: "", unit: "九上" },
            { word: "useful", meaning: "adj.有用的，有益的", phonetic: "['juːsfəl]", details: "", unit: "九上" },
            { word: "rest", meaning: "v.休息，睡眠", phonetic: "[rest]", details: "", unit: "九上" },
            { word: "himself", meaning: "pron.他自己", phonetic: "[hɪm'self]", details: "", unit: "九上" },
            { word: "manage", meaning: "v.做成，(尤指)设法完成", phonetic: "[ˈmænɪdʒ]", details: "", unit: "九上" },
            { word: "operation", meaning: "n.手术", phonetic: "[ɒpəˈreɪʃ(ə)n]", details: "", unit: "九上" },
            { word: "continue", meaning: "v.(使)继续", phonetic: "[kənˈtɪnjuː]", details: "", unit: "九上" },
            { word: "die of", meaning: "死于", phonetic: "", details: "", unit: "九上" },
            { word: "Canada", meaning: "n.加拿大", phonetic: "['kænədə]", details: "", unit: "九上" },
            { word: "platform", meaning: "n.(供上下火车用的)月台，站台", phonetic: "[ˈplætfɔːm]", details: "", unit: "九上" },
            { word: "meeting", meaning: "n.会议，集会", phonetic: "['miːtɪŋ]", details: "", unit: "九上" },
            { word: "miss", meaning: "v.未出席，未出现", phonetic: "[mɪs]", details: "", unit: "九上" },
            { word: "shut", meaning: "v.关上，合上", phonetic: "/ʃʌt/", details: "(shut, shut)", unit: "九上" },
            { word: "lock", meaning: "v.锁，锁住", phonetic: "[lɒk]", details: "", unit: "九上" },
            { word: "simple", meaning: "adj.简单的，容易的", phonetic: "[ˈsɪmp(ə)l]", details: "", unit: "九上" },
            { word: "anybody", meaning: "pron.任何人", phonetic: "[ˈenɪˌbɒdi]", details: "", unit: "九上" },
            { word: "clock", meaning: "n.钟，时钟", phonetic: "[klɒk]", details: "", unit: "九上" },
            { word: "ring", meaning: "v.鸣响，发出铃声", phonetic: "/rɪŋ/ (/ræŋ//rʌŋ/)", details: "(rang, rung)", unit: "九上" },
            { word: "passenger", meaning: "n.乘客，旅客", phonetic: "['pæsɪndʒə]", details: "", unit: "九上" },
            { word: "address", meaning: "n.地址", phonetic: "[ə'dres]", details: "", unit: "九上" },
            { word: "text", meaning: "n.文本，正文", phonetic: "[tekst]", details: "", unit: "九上" },
            { word: "text message", meaning: "短信", phonetic: "", details: "", unit: "九上" },
            { word: "couple", meaning: "n.一对，两个", phonetic: "[ˈkʌp(ə)l]", details: "", unit: "九上" },
            { word: "a couple of", meaning: "两个", phonetic: "", details: "", unit: "九上" },
            { word: "actually", meaning: "adv.事实上", phonetic: "['æktjʊəli]", details: "", unit: "九上" },
            { word: "manage", meaning: "v.管理，支配", phonetic: "[ˈmænɪdʒ]", details: "", unit: "九上" },
            { word: "unhappy", meaning: "adj.不高兴的", phonetic: "/ʌnˈhæpi/", details: "", unit: "九上" },
            { word: "turn off", meaning: "关掉，关闭(设备)", phonetic: "[ˈtɜːnɒf]", details: "", unit: "九上" },
            { word: "order", meaning: "n.命令，指示", phonetic: "['ɔːdə]", details: "", unit: "九上" },
            { word: "be worried about", meaning: "担心", phonetic: "", details: "", unit: "九上" },
            { word: "business", meaning: "n.工作", phonetic: "['bɪznɪs]", details: "", unit: "九上" },
            { word: "on business", meaning: "出差", phonetic: "", details: "", unit: "九上" },
            { word: "sofa", meaning: "n.(长)沙发", phonetic: "/ˈsəʊfə/", details: "", unit: "九上" },
            { word: "snack", meaning: "n.点心，小吃", phonetic: "[snæk]", details: "", unit: "九上" },
            { word: "midnight", meaning: "n.午夜，子夜", phonetic: "['mɪdnaɪt]", details: "", unit: "九上" },
            { word: "wake up", meaning: "醒，醒来", phonetic: "", details: "", unit: "九上" },
            { word: "hand in", meaning: "提交，上交", phonetic: "", details: "", unit: "九上" },
            { word: "empty", meaning: "adj.空的", phonetic: "['empti]", details: "", unit: "九上" },
            { word: "unable", meaning: "adj.不能做某事的", phonetic: "[juːˈən]", details: "", unit: "九上" },
            { word: "all day long", meaning: "整天", phonetic: "", details: "", unit: "九上" },
            { word: "burn", meaning: "v.(使)烧焦，(使)烤糊", phonetic: "/bɜːn/", details: "(burned /burnt, burned /burnt)", unit: "九上" },
            { word: "cup", meaning: "n.杯子，一杯饮料", phonetic: "[kʌp]", details: "", unit: "九上" },
            { word: "task", meaning: "n.任务，工作", phonetic: "[tɑːsk]", details: "", unit: "九上" },
            { word: "upstairs", meaning: "adj.&adv.位于楼上的；往楼上，在楼上", phonetic: "['ʌp'steəz]", details: "", unit: "九上" },
            { word: "exhibition", meaning: "n.展览，展览会", phonetic: "[ˌeksɪˈbɪʃən]", details: "", unit: "九上" },
            { word: "rule", meaning: "n.规则，法则", phonetic: "[ruːl]", details: "", unit: "九上" },
            { word: "against the rules", meaning: "违反规定", phonetic: "", details: "", unit: "九上" },
            { word: "in trouble", meaning: "遇上麻烦，处于困境", phonetic: "", details: "", unit: "九上" },
            { word: "tail", meaning: "n.尾，尾巴", phonetic: "[teɪl]", details: "", unit: "九上" },
            { word: "rope", meaning: "n.粗绳，绳索", phonetic: "[rəʊp]", details: "", unit: "九上" },
            { word: "entry", meaning: "n.进入权，进入许可", phonetic: "[ˈentri]", details: "", unit: "九上" },
            { word: "No entry", meaning: "禁止入内", phonetic: "", details: "", unit: "九上" },
            { word: "no good", meaning: "不合适的， 不方便的", phonetic: "", details: "", unit: "九上" },
            { word: "no wonder", meaning: "难怪，不足不奇", phonetic: "", details: "", unit: "九上" },
            { word: "missing", meaning: "adj.找不到的，失踪的", phonetic: "['mɪsɪŋ]", details: "", unit: "九上" },
            { word: "downstairs", meaning: "adj.&adv.位于楼下的；往楼下，在楼下", phonetic: "[ˌdaʊn'steəz]", details: "", unit: "九上" },
            { word: "punish", meaning: "v.惩罚，惩处", phonetic: "[ˈpʌnɪʃ]", details: "", unit: "九上" },
            { word: "communications", meaning: "n.[复数]通信", phonetic: "/kəˌmjuːnɪˈkeɪʃ(ə)nz/", details: "", unit: "九上" },
            { word: "physics", meaning: "n.物理学", phonetic: "['fɪzɪks]", details: "", unit: "九上" },
            { word: "chemistry", meaning: "n.化学", phonetic: "['kemɪstri]", details: "", unit: "九上" },
            { word: "dig", meaning: "v.挖掘，掘(洞)", phonetic: "/dɪɡ/ (/dʌɡ/)", details: "(dug, dug)", unit: "九上" },
            { word: "coal", meaning: "n.煤", phonetic: "[kəʊl]", details: "", unit: "九上" },
            { word: "energy", meaning: "n.能量，能源", phonetic: "/ˈenədʒi/", details: "", unit: "九上" },
            { word: "X-ray", meaning: "n.X射线，X光", phonetic: "[eks-reɪ]", details: "", unit: "九上" },
            { word: "experiment", meaning: "n.实验", phonetic: "[ɪks'perɪmənt]", details: "", unit: "九上" },
            { word: "sand", meaning: "n.沙，沙子", phonetic: "[sænd]", details: "", unit: "九上" },
            { word: "control", meaning: "v.操作，操纵", phonetic: "[kənˈtrol]", details: "", unit: "九上" },
            { word: "truck", meaning: "n.卡车，货车", phonetic: "[trʌk]", details: "", unit: "九上" },
            { word: "wheel", meaning: "n.轮子，车轮", phonetic: "[hwiːl]", details: "", unit: "九上" },
            { word: "compare … with …", meaning: "比较……与……", phonetic: "", details: "", unit: "九上" },
            { word: "of all ages", meaning: "所有年龄段的", phonetic: "", details: "", unit: "九上" },
            { word: "whole", meaning: "adj.全部的，整个的", phonetic: "[həʊl]", details: "", unit: "九上" },
            { word: "deal", meaning: "n.协议", phonetic: "[diːl]", details: "", unit: "九上" },
            { word: "exam", meaning: "n.考试", phonetic: "[ɪg'zæm]", details: "", unit: "九上" },
            { word: "fail", meaning: "v.未能及格，未能达到", phonetic: "[feɪl]", details: "", unit: "九上" },
            { word: "guitar", meaning: "n.吉他", phonetic: "[ɡɪˈtɑː]", details: "", unit: "九上" },
            { word: "instrument", meaning: "n.乐器，仪器", phonetic: "/ˈɪnstrəmənt/", details: "", unit: "九上" },
            { word: "musical", meaning: "adj.音乐的", phonetic: "[ˈmjuːzɪk(ə)l]", details: "", unit: "九上" },
            { word: "habit", meaning: "n.习惯", phonetic: "[ˈhæbɪt]", details: "", unit: "九上" },
            { word: "get into the habit of", meaning: "养成……的习惯", phonetic: "", details: "", unit: "九上" },
            { word: "schoolwork", meaning: "n.学生课业，功课", phonetic: "['skuːlwɜːk]", details: "", unit: "九上" },
            { word: "volunteer", meaning: "n.志愿者", phonetic: "[vɒlənˈtɪə]", details: "", unit: "九上" },
            { word: "necessary", meaning: "adj.必要的，必需的", phonetic: "['nesəˌsəri]", details: "", unit: "九上" },
            { word: "shame", meaning: "n.可惜，遗憾", phonetic: "[ʃeɪm]", details: "", unit: "九上" },
            { word: "instead", meaning: "adv.代替，而不是", phonetic: "[ɪn'sted]", details: "", unit: "九上" },
            { word: "instead of", meaning: "而不是", phonetic: "[ɪn'stedəv]", details: "", unit: "九上" },
            { word: "community", meaning: "n.社区，社会", phonetic: "/kəˈmjuːnəti/", details: "", unit: "九上" },
            { word: "knowledge", meaning: "n.知识，学识", phonetic: "[ˈnɒlɪdʒ]", details: "", unit: "九上" },
            { word: "point", meaning: "n.(试图表达的)观点，看法", phonetic: "[pɔɪnt]", details: "", unit: "九上" },
            { word: "consider", meaning: "v.考虑，斟酌", phonetic: "[kənˈsɪdə]", details: "", unit: "九上" },
            { word: "last word", meaning: "最后一句话，最终决定", phonetic: "", details: "", unit: "九上" },
            { word: "come round", meaning: "拜访(某人的家)", phonetic: "", details: "", unit: "九上" },
            { word: "reason", meaning: "n.原因，理由", phonetic: "[ˈriːz(ə)n]", details: "", unit: "九上" },
            { word: "try out", meaning: "试用，试", phonetic: "['traɪaʊt]", details: "", unit: "九上" },
            { word: "angry", meaning: "adj.愤怒的，生气的", phonetic: "['æŋgri]", details: "", unit: "九上" },
            { word: "no longer", meaning: "不再", phonetic: "", details: "", unit: "九上" },
            { word: "be angry with sb.", meaning: "生某人的气", phonetic: "", details: "", unit: "九上" },
            { word: "repair", meaning: "n. &v.修理，修补", phonetic: "[rɪ'peə]", details: "", unit: "九上" },
            { word: "truth", meaning: "n.事实，真相", phonetic: "[truːθ]", details: "", unit: "九上" },
            { word: "least", meaning: "pron.最少，最小", phonetic: "[liːst]", details: "", unit: "九上" },
            { word: "at least", meaning: "至少，起码", phonetic: "", details: "", unit: "九上" },
            { word: "honest", meaning: "adj.诚实的，老实的", phonetic: "[ˈɒnɪst]", details: "", unit: "九上" },
            { word: "apologise", meaning: "v.认错，道歉", phonetic: "/əˈpɒlədʒaɪz/", details: "", unit: "九上" },
            { word: "bill", meaning: "n.账单，账款", phonetic: "[bɪl]", details: "", unit: "九上" },
            { word: "pocket money", meaning: "零用钱", phonetic: "", details: "", unit: "九上" },
            { word: "discuss", meaning: "v.讨论，谈论", phonetic: "[dɪ'skʌs]", details: "", unit: "九上" },
            { word: "thinker", meaning: "n.思想家", phonetic: "/ˈθɪŋkə(r)/", details: "", unit: "九上" },
            { word: "wise", meaning: "adj.有判断力的，明智的", phonetic: "[waɪz]", details: "", unit: "九上" },
            { word: "review", meaning: "n.评论(文章)", phonetic: "[rɪ'vjuː]", details: "", unit: "九上" },
            { word: "influence", meaning: "v.影响，作用于", phonetic: "[ˈɪnflʊəns]", details: "", unit: "九上" },
            { word: "sense", meaning: "n.道理，意义，合理性", phonetic: "[sens]", details: "", unit: "九上" },
            { word: "make sense", meaning: "易理解，合情理，有意义", phonetic: "", details: "", unit: "九上" },
            { word: "by the way", meaning: "顺便提一下(用于在交谈中插入新话题、题外话或评论)", phonetic: "", details: "", unit: "九上" },
            { word: "suppose", meaning: "v.猜想，推测，相信，认为", phonetic: "[sə'pəʊz]", details: "", unit: "九上" },
            { word: "well-known", meaning: "adj.众所周知的，著名的", phonetic: "[wel-nəʊn]", details: "", unit: "九上" },
            { word: "adventure", meaning: "n.冒险(经历)", phonetic: "[ədˈventʃə]", details: "", unit: "九上" },
            { word: "get into trouble", meaning: "遇上麻烦", phonetic: "", details: "", unit: "九上" },
            { word: "run away", meaning: "逃走，逃跑", phonetic: "['rʌnəˌweɪ]", details: "", unit: "九上" },
            { word: "escape", meaning: "v.逃离，逃脱", phonetic: "[ɪ'skeɪp]", details: "", unit: "九上" },
            { word: "cave", meaning: "n.洞穴", phonetic: "[keɪv]", details: "", unit: "九上" },
            { word: "dead", meaning: "adj.死的，去世的", phonetic: "[ded]", details: "", unit: "九上" },
            { word: "for a time", meaning: "一小段时间，一度，一时", phonetic: "", details: "", unit: "九上" },
            { word: "neighbour", meaning: "n.邻居", phonetic: "['neɪbə]", details: "", unit: "九上" },
            { word: "funeral", meaning: "n.葬礼", phonetic: "[ˈfjuːˈnər(ə)l]", details: "", unit: "九上" },
            { word: "surprised", meaning: "adj.惊奇的，惊讶的", phonetic: "[sə'praɪzd]", details: "", unit: "九上" },
            { word: "alive", meaning: "adj.活着的", phonetic: "[ə'laɪv]", details: "", unit: "九上" },
            { word: "southern", meaning: "adj.南方的", phonetic: "[ˈsʌð(ə)n]", details: "", unit: "九上" },
            { word: "state", meaning: "n.州，邦", phonetic: "[steɪt]", details: "", unit: "九上" },
            { word: "pay for", meaning: "为……付出代价", phonetic: "['peɪfə(r)]", details: "", unit: "九上" },
            { word: "action", meaning: "n.举止，行为，情节", phonetic: "[ˈækʃ(ə)n]", details: "", unit: "九上" },
            { word: "everyday", meaning: "adj.日常的，普通的", phonetic: "[ˈevrɪbɒdi]", details: "", unit: "九上" },
            { word: "dialogue", meaning: "n.对话", phonetic: "[ˈdaɪəlɒɡ]", details: "", unit: "九上" },
            { word: "stand for", meaning: "是……的缩写，代表", phonetic: "", details: "", unit: "九上" },
            { word: "memory", meaning: "n.记忆，回忆", phonetic: "['meməri]", details: "", unit: "九上" },
            { word: "point", meaning: "n.比分", phonetic: "[pɔɪnt]", details: "", unit: "九上" },
            { word: "decision", meaning: "n.决定", phonetic: "[dɪ'sɪʒən]", details: "", unit: "九上" },
            { word: "excuse", meaning: "n.(辩解的)理由，借口", phonetic: "[ɪks'kjuːz]", details: "", unit: "九上" },
            { word: "noon", meaning: "n.中午，正午", phonetic: "[nuːn]", details: "", unit: "九上" },
            { word: "seat", meaning: "n.座椅，座位", phonetic: "[siːt]", details: "", unit: "九上" },
            { word: "no way", meaning: "决不，不可能", phonetic: "", details: "", unit: "九上" },
            { word: "fair", meaning: "adj.公平的，合理的", phonetic: "[feə]", details: "", unit: "九上" },
            { word: "kick", meaning: "v.踢", phonetic: "[kɪk]", details: "", unit: "九上" },
            { word: "mad", meaning: "adj.生气的，恼火的", phonetic: "[mæd]", details: "", unit: "九上" },
            { word: "sportsman", meaning: "n.(尤指职业的)运动员", phonetic: "/ˈspɔːtsmən/", details: "", unit: "九上" },
            { word: "high jump", meaning: "跳高", phonetic: "", details: "", unit: "九上" },
            { word: "ability", meaning: "n.能力", phonetic: "[əˈbɪlɪti]", details: "", unit: "九上" },
            { word: "hurdling", meaning: "n.跨栏赛跑", phonetic: "/ˈhɜːdlɪŋ/", details: "", unit: "九上" },
            { word: "sportswoman", meaning: "n.(尤指职业的)女运动员", phonetic: "/ˈspɔːtswʊmən/", details: "", unit: "九上" },
            { word: "race", meaning: "n.赛跑，比赛", phonetic: "[reɪs]", details: "", unit: "九上" },
            { word: "record", meaning: "v. &n.记录；最佳记录", phonetic: "[ˈrekɔːd]", details: "", unit: "九上" },
            { word: "method", meaning: "n.方法，办法", phonetic: "[ˈmeθəd]", details: "", unit: "九上" },
            { word: "hurdles", meaning: "n.跨栏赛跑", phonetic: "/ˈhɜːd(ə)lz/", details: "", unit: "九上" },
            { word: "Japan", meaning: "n.日本", phonetic: "[dʒə'pæn]", details: "", unit: "九上" },
            { word: "break", meaning: "v.打破(纪录)，打碎", phonetic: "[breɪk]", details: "", unit: "九上" },
            { word: "sportsperson", meaning: "运动员", phonetic: "", details: "", unit: "九上" },
            { word: "Asian", meaning: "adj.亚洲的，亚洲人的", phonetic: "[ˈeɪʃ(ə)nˌˈeɪʒ(ə)n]", details: "", unit: "九上" },
            { word: "suffer", meaning: "v.患有(疾病等)，经受", phonetic: "[ˈsʌfə]", details: "", unit: "九上" },
            { word: "suffer from …", meaning: "受(某种病痛)折磨，因……而受苦", phonetic: "", details: "", unit: "九上" },
            { word: "first place", meaning: "第一名，冠军", phonetic: "", details: "", unit: "九上" },
            { word: "stop sb. (from) doing sth.", meaning: "阻止某人做某事", phonetic: "", details: "", unit: "九上" },
            { word: "courage", meaning: "n.勇气，胆量", phonetic: "[ˈkʌrɪdʒ]", details: "", unit: "九上" },
            { word: "pride", meaning: "n.自豪感，骄傲", phonetic: "[praɪd]", details: "", unit: "九上" },
            { word: "take pride in", meaning: "感到自豪", phonetic: "", details: "", unit: "九上" },
            { word: "borrow", meaning: "v.借入，借来", phonetic: "[ˈbɒrəʊ]", details: "", unit: "九上" },
            { word: "put up", meaning: "张贴，公布", phonetic: "['pʊtʌp]", details: "", unit: "九上" },
            { word: "website", meaning: "n.网站", phonetic: "[websaɪt]", details: "", unit: "九上" },
            { word: "mail", meaning: "n.邮件，信件", phonetic: "[meɪl]", details: "", unit: "九上" },
            { word: "textbook", meaning: "n.教科书，课本", phonetic: "['tekstbʊk]", details: "", unit: "九上" },
            { word: "mainly", meaning: "adv.大部分地，主要地", phonetic: "['meɪnli]", details: "", unit: "九上" },
            { word: "thousands of", meaning: "好几千，成千上万", phonetic: "", details: "", unit: "九上" },
            { word: "page", meaning: "n.页，一页(纸)", phonetic: "[peɪdʒ]", details: "", unit: "九上" },
            { word: "electronic", meaning: "adj.电子的", phonetic: "[ɪlekˈtrɒnɪk]", details: "", unit: "九上" },
            { word: "technology", meaning: "n.科技，技术", phonetic: "[tekˈnɒlədʒi]", details: "", unit: "九上" },
            { word: "powerful", meaning: "adj.有影响力的，能控制他人的", phonetic: "[ˈpaʊəfʊl]", details: "", unit: "九上" },
            { word: "memory", meaning: "n.存储器，存储量", phonetic: "['meməri]", details: "", unit: "九上" },
            { word: "full", meaning: "adj.満的，充满的", phonetic: "[fʊl]", details: "", unit: "九上" },
            { word: "fix", meaning: "v.修补，挽救", phonetic: "[fɪks]", details: "", unit: "九上" },
            { word: "instructions", meaning: "n.[复数]说明书", phonetic: "/ɪnˈstrʌkʃənz/", details: "", unit: "九上" },
            { word: "lend", meaning: "v.(把某物)借出，借给(某人)", phonetic: "[lent]", details: "", unit: "九上" },
            { word: "properly", meaning: "adv.合适地，正确地", phonetic: "[ˈprɒpəli]", details: "", unit: "九上" },
            { word: "look through", meaning: "快速阅读，浏览", phonetic: "", details: "", unit: "九上" },
            { word: "printing", meaning: "n.印刷", phonetic: "[ˈprɪntɪŋ]", details: "", unit: "九上" },
            { word: "at a time", meaning: "每次，一次", phonetic: "", details: "", unit: "九上" },
            { word: "by hand", meaning: "用手，靠手做", phonetic: "", details: "", unit: "九上" },
            { word: "development", meaning: "n.发展，进步", phonetic: "[dɪˈveləpmənt]", details: "", unit: "九上" },
            { word: "trade", meaning: "n.买卖，交易", phonetic: "[treɪd]", details: "", unit: "九上" },
            { word: "result", meaning: "v.(因……而)产生，发生", phonetic: "[rɪ'zʌlt]", details: "", unit: "九上" },
            { word: "spread", meaning: "v.扩展，蔓延，传播", phonetic: "/spred/", details: "(spread, spread)", unit: "九上" },
            { word: "in a way", meaning: "从某一角度，从某一点上看，在某种程度上", phonetic: "", details: "", unit: "九上" },
            { word: "compare … to …", meaning: "把……比作", phonetic: "", details: "", unit: "九上" },
            { word: "introduction", meaning: "n.引进，采用，推行", phonetic: "[ɪntrəˈdʌkʃ(ə)n]", details: "", unit: "九上" },
            { word: "amount", meaning: "n.量，数量", phonetic: "[əˈmaʊnt]", details: "", unit: "九上" },
            { word: "store", meaning: "v.存储，储藏", phonetic: "[stɔː]", details: "", unit: "九上" },
            { word: "varied", meaning: "adj.各种各样的，各不相同的", phonetic: "/ˈveərid/", details: "", unit: "九上" },
            { word: "form", meaning: "n.种类，类型，形态，存在形式", phonetic: "[fɔːm]", details: "", unit: "九上" },
            { word: "connection", meaning: "n.电话连接，计算机网络连接", phonetic: "[kəˈnekʃ(ə)n]", details: "", unit: "九上" },
            { word: "single", meaning: "adj.仅一个的，单个的", phonetic: "['sɪŋgl]", details: "", unit: "九上" },
            { word: "direction", meaning: "n.方向", phonetic: "[dɪˈrekʃ(ə)nˌdaɪˈrekʃ(ə)n]", details: "", unit: "九上" },
            { word: "replace", meaning: "v.替换，取代", phonetic: "[rɪˈpleɪs]", details: "", unit: "九上" },
            { word: "wait and see", meaning: "等等看，等着瞧", phonetic: "", details: "", unit: "九上" },
            { word: "here we go", meaning: "我们为说看看", phonetic: "", details: "", unit: "九上" },
            { word: "central", meaning: "adj.中心的，在中间的", phonetic: "[ˈsentr(ə)l]", details: "", unit: "九上" },
            { word: "according to", meaning: "根据，按照，据……所说", phonetic: "", details: "", unit: "九上" },
            { word: "magical", meaning: "adj.神奇的，迷人的", phonetic: "['mædʒɪkəl]", details: "", unit: "九上" },
            { word: "height", meaning: "n.高度，身高", phonetic: "[haɪt]", details: "", unit: "九上" },
            { word: "sailing boat", meaning: "帆船", phonetic: "", details: "", unit: "九上" },
            { word: "northeast", meaning: "adj.在东北的", phonetic: "['nɔːθ'iːst]", details: "", unit: "九上" },
            { word: "sheep", meaning: "n.羊，绵羊", phonetic: "[ʃiːp]", details: "", unit: "九上" },
            { word: "hat", meaning: "n.帽子", phonetic: "[hæt]", details: "", unit: "九上" },
            { word: "keep", meaning: "v.使保持(某种状态)，记录，存储(信息)", phonetic: "/kiːp/ (/kept/ )", details: "(kept, kept)", unit: "九上" },
            { word: "keep sb. /sth. away", meaning: "(使)避开，(使)不靠近", phonetic: "", details: "", unit: "九上" },
            { word: "fly", meaning: "n.苍蝇", phonetic: "[flaɪ]", details: "", unit: "九上" },
            { word: "scissors", meaning: "n.[复数]剪刀", phonetic: "['sɪzəz]", details: "", unit: "九上" },
            { word: "cut sth. off sth.", meaning: "把某物从某物上剪掉", phonetic: "", details: "", unit: "九上" },
            { word: "wool", meaning: "n.羊毛", phonetic: "[wʊl]", details: "", unit: "九上" },
            { word: "diary", meaning: "n.日记，日记簿", phonetic: "['daɪəri]", details: "", unit: "九上" },
            { word: "keep a diary", meaning: "写日记", phonetic: "", details: "", unit: "九上" },
            { word: "hate", meaning: "v.憎恨，讨厌", phonetic: "[heɪt]", details: "", unit: "九上" },
            { word: "ant", meaning: "n.蚂蚁", phonetic: "[ænt]", details: "", unit: "九上" },
            { word: "brush", meaning: "v.(用刷子)刷", phonetic: "[brʌʃ]", details: "", unit: "九上" },
            { word: "brush sth. off sth.", meaning: "把某物从某物上刷掉", phonetic: "", details: "", unit: "九上" },
            { word: "at the time", meaning: "那时，在那段时间", phonetic: "", details: "", unit: "九上" },
            { word: "be surprised at", meaning: "对……感到惊奇", phonetic: "", details: "", unit: "九上" },
            { word: "period", meaning: "n.阶段，时期", phonetic: "[ˈpɪərɪəd]", details: "", unit: "九上" },
            { word: "spirit", meaning: "n.精灵，神灵，精神", phonetic: "/ˈspɪrɪt/", details: "", unit: "九上" },
            { word: "relationship", meaning: "n.关系", phonetic: "[rɪˈleɪʃənʃɪp]", details: "", unit: "九上" },
            { word: "relative", meaning: "n.亲戚", phonetic: "['relətɪv]", details: "", unit: "九上" },
            { word: "ham", meaning: "n.火腿", phonetic: "[hæm]", details: "", unit: "九上" },
            { word: "salad", meaning: "n.色拉", phonetic: "[ˈsæləd]", details: "", unit: "九上" },
            { word: "grape", meaning: "n.葡萄", phonetic: "[greɪp]", details: "", unit: "九上" },
            { word: "surf", meaning: "v.冲浪", phonetic: "[sɜːf]", details: "", unit: "九上" },
            { word: "kangaroo", meaning: "n.袋鼠", phonetic: "[kæŋɡəˈruː]", details: "", unit: "九上" },
            { word: "riding", meaning: "n.骑马(运动)", phonetic: "/ˈraɪdɪŋ/", details: "", unit: "九上" },
            { word: "lazy", meaning: "adj.懒惰的，懒散的", phonetic: "['leɪzi]", details: "", unit: "九上" },
            { word: "ride", meaning: "n.骑马，乘车", phonetic: "[raɪd]", details: "", unit: "九上" },
            { word: "bet", meaning: "v.打赌，下赌注", phonetic: "/bet/", details: "(bet, bet)", unit: "九上" },
            { word: "you bet", meaning: "的确，当然，一定", phonetic: "", details: "", unit: "九上" },
            { word: "the thing is", meaning: "答案是，问题是", phonetic: "", details: "", unit: "九上" },
            { word: "general", meaning: "adj.整体的，普遍的", phonetic: "[ˈdʒenər(ə)l]", details: "", unit: "九上" },
            { word: "standard", meaning: "n.标准，水准", phonetic: "[ˈstændəd]", details: "", unit: "九上" },
            { word: "feeling", meaning: "n.感觉，直觉看法", phonetic: "[ˈfiːlɪŋ]", details: "", unit: "九上" },
            { word: "difficulty", meaning: "n.困难，困境", phonetic: "[ˈdɪfɪkəlti]", details: "", unit: "九上" },
            { word: "subject", meaning: "n.主题", phonetic: "['sʌbdʒɪkt]", details: "", unit: "九上" },
            { word: "add", meaning: "v.添加", phonetic: "[æd]", details: "", unit: "九上" },
            { word: "recently", meaning: "adv.最近，近来", phonetic: "['riːsntli]", details: "", unit: "九上" },
            { word: "menu", meaning: "n.菜单", phonetic: "['menjuː]", details: "", unit: "九上" },
            { word: "be in with a chance", meaning: "有可能，有机会", phonetic: "", details: "", unit: "九上" },
            { word: "tonight", meaning: "adv.(在)今晚，(在)今夜", phonetic: "[tə'naɪt]", details: "", unit: "九上" },
            { word: "read out", meaning: "朗读，宣读", phonetic: "", details: "", unit: "九上" },
            { word: "winner", meaning: "n.获胜者", phonetic: "['wɪnə]", details: "", unit: "九上" },
            { word: "compared with", meaning: "(与……)相比", phonetic: "", details: "", unit: "九上" },
            { word: "even though", meaning: "即使，尽管", phonetic: "", details: "", unit: "九上" },
            { word: "rush", meaning: "v.冲，奔", phonetic: "[rʌʃ]", details: "", unit: "九上" },
            { word: "blouse", meaning: "n.女衬衫", phonetic: "[blaʊz]", details: "", unit: "九上" },
            { word: "skirt", meaning: "n.裙子", phonetic: "[skɜːt]", details: "", unit: "九上" },
            { word: "protect sth. against sth.", meaning: "保护……，使…..不受", phonetic: "", details: "", unit: "九上" },
            { word: "singer", meaning: "n.歌手，歌唱家", phonetic: "['sɪŋə]", details: "", unit: "九上" },
            { word: "congratulations", meaning: "n.[复数]祝贺", phonetic: "/kənˌgrætjʊˈleɪʃənz/", details: "", unit: "九上" },
            { word: "headmaster", meaning: "n.男校长", phonetic: "['hed'mɑːstə]", details: "", unit: "九上" },
            { word: "present", meaning: "v.授予，呈递", phonetic: "['preznt]", details: "", unit: "九上" },
            { word: "factory", meaning: "n.制造厂，工厂", phonetic: "['fæktəri]", details: "", unit: "九上" },
            { word: "pollute", meaning: "v.污染", phonetic: "[pə'luːt]", details: "", unit: "九上" },
            { word: "recycle", meaning: "v.回收利用，再使用(废品)", phonetic: "[riː'saɪkl]", details: "", unit: "九上" },
            { word: "waste", meaning: "n.废料，废弃物", phonetic: "[weɪst]", details: "", unit: "九上" },
            { word: "enemy", meaning: "n.敌人，仇人", phonetic: "[ˈenɪmi]", details: "", unit: "九上" },
            { word: "crop", meaning: "n.庄稼，作物", phonetic: "[krɒp]", details: "", unit: "九上" },
            { word: "kill", meaning: "v.杀死，弄死", phonetic: "[kɪl]", details: "", unit: "九上" },
            { word: "oil", meaning: "n.石油", phonetic: "[ɔɪl]", details: "", unit: "九上" },
            { word: "less", meaning: "adj. &n.较少的，较小的；较少数，较少量", phonetic: "[les]", details: "", unit: "九上" },
            { word: "hopeless", meaning: "adj.无望的", phonetic: "['həʊplɪsli]", details: "", unit: "九上" },
            { word: "china", meaning: "n.瓷，瓷器", phonetic: "['tʃaɪnə]", details: "", unit: "九上" },
            { word: "divide", meaning: "v.分开", phonetic: "[dɪˈvaɪd]", details: "", unit: "九上" },
            { word: "plastic", meaning: "n. &adj.塑料(的)", phonetic: "['plæstɪk]", details: "", unit: "九上" },
            { word: "policy", meaning: "n.政策，方针", phonetic: "[ˈpɒlɪsi]", details: "", unit: "九上" },
            { word: "reuse", meaning: "v.再次使用，重复利用", phonetic: "[riːˈjuːz]", details: "", unit: "九上" },
            { word: "bottle", meaning: "n.瓶", phonetic: "[ˈbɒtl]", details: "", unit: "九上" },
            { word: "throw away", meaning: "扔掉，丢弃", phonetic: "", details: "", unit: "九上" },
            { word: "repeat", meaning: "v.重说，重新做", phonetic: "[rɪˈpiːt]", details: "", unit: "九上" },
            { word: "reduce", meaning: "v.减少，减低，缩小", phonetic: "[rɪˈdjuːs]", details: "", unit: "九上" },
            { word: "cloth", meaning: "n.布，布料", phonetic: "[klɒθ]", details: "", unit: "九上" },
            { word: "ton", meaning: "n.吨", phonetic: "[təˈmɒrəʊ]", details: "", unit: "九上" },
            { word: "tons of", meaning: "许多，很多", phonetic: "", details: "", unit: "九上" },
            { word: "rubber", meaning: "n.橡胶", phonetic: "[ˈrʌbə]", details: "", unit: "九上" },
            { word: "recycling", meaning: "n.回收利用", phonetic: "/ˌriːˈsaɪklɪŋ/", details: "", unit: "九上" },
            { word: "rapid", meaning: "adj.快速的，迅速的", phonetic: "[ˈræpɪd]", details: "", unit: "九上" },
            { word: "step", meaning: "n.步骤，措施", phonetic: "[step]", details: "", unit: "九上" },
            { word: "grandson", meaning: "n.(外)孙子", phonetic: "[ˈɡrændsʌn]", details: "", unit: "九上" },
            { word: "granddaughter", meaning: "n.(外)孙女", phonetic: "[ˈɡrændɔːtə]", details: "", unit: "九上" },
            
            // 九年级下册单词
            { word: "flight", meaning: "n.航班飞行", phonetic: "[flaɪt]", details: "", unit: "九下" },
            { word: "because of", meaning: "因为由于(短)", phonetic: "", details: "", unit: "九下" },
            { word: "direct", meaning: "adv.直接地径直地", phonetic: "[dɪˈrektˌdaɪˈrekt]", details: "", unit: "九下" },
            { word: "pilot", meaning: "n.飞行员", phonetic: "[ˈpaɪlət]", details: "", unit: "九下" },
            { word: "succeed", meaning: "v.成功;做成", phonetic: "[səkˈsiːd]", details: "", unit: "九下" },
            { word: "as long as", meaning: "只要", phonetic: "", details: "", unit: "九下" },
            { word: "school-leaver", meaning: "n.(英)毕业生", phonetic: "[skuːl-]", details: "", unit: "九下" },
            { word: "exactly", meaning: "adv.确切地;完全;确实如此", phonetic: "[ɪg'zæktli]", details: "", unit: "九下" },
            { word: "take care", meaning: "(告别用语)多保重", phonetic: "", details: "", unit: "九下" },
            { word: "sir", meaning: "n.先生长官", phonetic: "[sɜː]", details: "", unit: "九下" },
            { word: "officer", meaning: "n.军官官员警察", phonetic: "[ˈɒfɪsə]", details: "", unit: "九下" },
            { word: "stupid", meaning: "adj.笨的糊涂的", phonetic: "[ˈstjuːpɪd]", details: "", unit: "九下" },
            { word: "take off", meaning: "脱去", phonetic: "[teɪk//ˈɒf]", details: "", unit: "九下" },
            { word: "jacket", meaning: "n.短上衣夹克", phonetic: "['dʒækɪt]", details: "", unit: "九下" },
            { word: "ours", meaning: "pron.我们的", phonetic: "['aʊəz]", details: "", unit: "九下" },
            { word: "tie", meaning: "n.领带", phonetic: "[taɪ]", details: "", unit: "九下" },
            { word: "row", meaning: "n.一排;一行;一列", phonetic: "[rəʊ]", details: "", unit: "九下" },
            { word: "pool", meaning: "n.水池;游泳池", phonetic: "[puːl]", details: "", unit: "九下" },
            { word: "pass", meaning: "v.及格;通过(考试或检查)", phonetic: "[pɑːs]", details: "", unit: "九下" },
            { word: "secondary", meaning: "adj.(教育)中等的;次要的;间接地", phonetic: "/ˈsekənd(ə)ri/", details: "", unit: "九下" },
            { word: "secondary school", meaning: "中学", phonetic: "", details: "", unit: "九下" },
            { word: "absent", meaning: "adj.缺席的;不在的", phonetic: "[ˈæbsənt]", details: "", unit: "九下" },
            { word: "bell", meaning: "n.钟;铃", phonetic: "[bel]", details: "", unit: "九下" },
            { word: "wealthy", meaning: "adj.富有的;富裕的", phonetic: "[ˈwelθi]", details: "", unit: "九下" },
            { word: "fear", meaning: "n.担心;害怕", phonetic: "[fɪə]", details: "", unit: "九下" },
            { word: "used to", meaning: "v.aux.过去(现在不那样了)", phonetic: "", details: "", unit: "九下" },
            { word: "wealth", meaning: "n.财富;财产", phonetic: "[welθ]", details: "", unit: "九下" },
            { word: "double", meaning: "v.使加倍;把…增加一倍adj.(成)双的;两个…", phonetic: "['dʌbl]", details: "", unit: "九下" },
            { word: "seldom", meaning: "adv.很少地;不常", phonetic: "[ˈseldəm]", details: "", unit: "九下" },
            { word: "spare", meaning: "adj.空余的;备用的", phonetic: "[speə]", details: "", unit: "九下" },
            { word: "spare time", meaning: "业余时间;闲暇", phonetic: "", details: "", unit: "九下" },
            { word: "speak up", meaning: "大点声说", phonetic: "", details: "", unit: "九下" },
            { word: "deaf", meaning: "adj.聋的", phonetic: "[def]", details: "", unit: "九下" },
            { word: "tiny", meaning: "adj.微小的;极小的", phonetic: "[ˈtaɪni]", details: "", unit: "九下" },
            { word: "electric", meaning: "adj.用电的;电动的", phonetic: "[ɪˈlektrɪk]", details: "", unit: "九下" },
            { word: "light", meaning: "n.电灯", phonetic: "[laɪt]", details: "", unit: "九下" },
            { word: "candle", meaning: "n.蜡烛", phonetic: "['kændl]", details: "", unit: "九下" },
            { word: "postman", meaning: "n.邮递员", phonetic: "['pəʊstmən]", details: "", unit: "九下" },
            { word: "cold", meaning: "n.寒冷;冷空气", phonetic: "[kəʊld]", details: "", unit: "九下" },
            { word: "heat", meaning: "n.高温;热度", phonetic: "[hiːt]", details: "", unit: "九下" },
            { word: "full-time", meaning: "adj.专职的;全日制的", phonetic: "", details: "", unit: "九下" },
            { word: "role", meaning: "n.作用;职责;角色", phonetic: "[rəʊl]", details: "", unit: "九下" },
            { word: "education", meaning: "n.(各人的)教育;学业", phonetic: "[ˌedjʊkeɪʃn]", details: "", unit: "九下" },
            { word: "transport", meaning: "n.运输业;交通", phonetic: "[trænsˈpɔːt]", details: "", unit: "九下" },
            { word: "set off", meaning: "动身;出发", phonetic: "[ˈsetɒf]", details: "", unit: "九下" },
            { word: "sock", meaning: "n.短袜", phonetic: "[sɒk]", details: "", unit: "九下" },
            { word: "whenever", meaning: "conj.每当;无论什么时候", phonetic: "[hwen'evə]", details: "", unit: "九下" },
            { word: "proper", meaning: "adj.合适的;恰当的", phonetic: "[ˈprɒpə]", details: "", unit: "九下" },
            { word: "edge", meaning: "n.边，边缘", phonetic: "[edʒ]", details: "", unit: "九下" },
            { word: "yourself", meaning: "pron.你自己", phonetic: "[jʊə'self]", details: "", unit: "九下" },
            { word: "go off", meaning: "离开", phonetic: "[gəʊ//ˈɒf]", details: "", unit: "九下" },
            { word: "starve", meaning: "v.挨饿;饿死", phonetic: "[stɑːv]", details: "", unit: "九下" },
            { word: "go", meaning: "n.尝试;努力", phonetic: "[gəʊ]", details: "", unit: "九下" },
            { word: "in one go", meaning: "一口气;一下子", phonetic: "", details: "", unit: "九下" },
            { word: "rock", meaning: "n.岩;岩石", phonetic: "[rɒk]", details: "", unit: "九下" },
            { word: "rock climbing", meaning: "攀岩", phonetic: "", details: "", unit: "九下" },
            { word: "stone", meaning: "n.石头", phonetic: "[stəʊn]", details: "", unit: "九下" },
            { word: "fairly", meaning: "adv.相当;还算", phonetic: "[ˈfeəli]", details: "", unit: "九下" },
            { word: "smooth", meaning: "adj.无困难的;顺利的;光滑的;平坦的", phonetic: "[ˈsməʊkɪŋ]", details: "", unit: "九下" },
            { word: "straight", meaning: "adj.直的;笔直的", phonetic: "[streɪt]", details: "", unit: "九下" },
            { word: "tent", meaning: "n.帐蓬", phonetic: "[tent]", details: "", unit: "九下" },
            { word: "fall", meaning: "v.变成，进入(某种状态)", phonetic: "[fɔːl]", details: "", unit: "九下" },
            { word: "fall asleep", meaning: "入睡;睡着", phonetic: "", details: "", unit: "九下" },
            { word: "hang", meaning: "v.悬挂;吊", phonetic: "", details: "(hung,hung)", unit: "九下" },
            { word: "sudden", meaning: "adj.突然的;急剧的", phonetic: "[ˈsʌd(ə)n]", details: "", unit: "九下" },
            { word: "gun", meaning: "n.枪", phonetic: "[ɡʌn]", details: "", unit: "九下" },
            { word: "soft", meaning: "adj.软的;柔软的", phonetic: "[ /sɒft ]", details: "", unit: "九下" },
            { word: "still", meaning: "adj.静止的;不动的", phonetic: "[stɪl]", details: "", unit: "九下" },
            { word: "wood", meaning: "n.(小)树木;林地", phonetic: "[wʊd]", details: "", unit: "九下" },
            { word: "blood", meaning: "n.血;血液", phonetic: "[blʌd]", details: "", unit: "九下" },
            { word: "catch up", meaning: "赶上", phonetic: "", details: "", unit: "九下" },
            { word: "agreement", meaning: "n.协议;协定", phonetic: "", details: "", unit: "九下" },
            { word: "blind", meaning: "adj.失明的;瞎的", phonetic: "[blaɪnd]", details: "", unit: "九下" },
            { word: "ouch", meaning: "哎呦(用于表示突然的疼痛)", phonetic: "[aʊtʃ]", details: "", unit: "九下" },
            { word: "call off", meaning: "取消;决定终止", phonetic: "", details: "", unit: "九下" },
            { word: "thanks to", meaning: "多亏;归功于", phonetic: "['θæŋkstə]", details: "", unit: "九下" },
            { word: "health care", meaning: "医疗保健(服务)", phonetic: "", details: "", unit: "九下" },
            { word: "expect", meaning: "v.预料;预计", phonetic: "[ɪks'pekt]", details: "", unit: "九下" },
            { word: "require", meaning: "v.需要", phonetic: "[rɪˈkwaɪə]", details: "", unit: "九下" },
            { word: "physical", meaning: "adj.身体的;体力的", phonetic: "[ˈfɪzɪk(ə)l]", details: "", unit: "九下" },
            { word: "effort", meaning: "n.力气;精力", phonetic: "[ˈefət]", details: "", unit: "九下" },
            { word: "once in a while", meaning: "偶尔;有时;间或", phonetic: "", details: "", unit: "九下" },
            { word: "harm", meaning: "v.损害;伤害", phonetic: "[hɑːm]", details: "", unit: "九下" },
            { word: "invitation", meaning: "n.邀请;请柬", phonetic: "[ɪnvɪˈteɪʃ(ə)n]", details: "", unit: "九下" },
            { word: "calendar", meaning: "n.日历;历书", phonetic: "['kælɪndə]", details: "", unit: "九下" },
            { word: "balloon", meaning: "n.气球", phonetic: "[bəˈluːn]", details: "", unit: "九下" },
            { word: "paint", meaning: "v.绘画", phonetic: "[peɪnt]", details: "", unit: "九下" },
            { word: "heat", meaning: "v.使变热;给…加热", phonetic: "[hiːt]", details: "", unit: "九下" },
            { word: "heat up", meaning: "(短)使变热;给…加热", phonetic: "", details: "", unit: "九下" },
            { word: "knife", meaning: "n.餐刀;刀具", phonetic: "[naɪf]", details: "", unit: "九下" },
            { word: "fork", meaning: "n.餐叉", phonetic: "[fɔːk]", details: "", unit: "九下" },
            { word: "spoon", meaning: "n.匙;勺子", phonetic: "[spuːn]", details: "", unit: "九下" },
            { word: "cheeseburger", meaning: "n.干酪汉堡包", phonetic: "/ˈtʃiːzbɜːɡə(r)/", details: "", unit: "九下" },
            { word: "Italian", meaning: "adj.意大利的;意大利语的;意大利人的n.意大利语;意大利人", phonetic: "[ɪ'tæljən]", details: "", unit: "九下" },
            { word: "Westerner", meaning: "n.西方人", phonetic: "['westənə]", details: "", unit: "九下" },
            { word: "West", meaning: "n.西方(尤指西欧和北美)", phonetic: "[west]", details: "", unit: "九下" },
            { word: "serve", meaning: "v.端上;服侍……进餐", phonetic: "[sɜːv]", details: "", unit: "九下" },
            { word: "similar", meaning: "adj.相似的", phonetic: "[ˈsɪmɪlə]", details: "", unit: "九下" },
            { word: "wing", meaning: "n.翅膀;翼", phonetic: "[wɪŋ]", details: "", unit: "九下" },
            { word: "lady", meaning: "n.女士;夫人;小姐", phonetic: "['leɪdi]", details: "", unit: "九下" },
            { word: "gentleman", meaning: "n.先生;男士", phonetic: "[ˈdʒent(ə)lmən]", details: "", unit: "九下" },
            { word: "help yourself", meaning: "随便做(或用)吧;请自便", phonetic: "", details: "", unit: "九下" },
            { word: "cross", meaning: "adj.生气的", phonetic: "[krɔːs]", details: "", unit: "九下" },
            { word: "achieve", meaning: "v.成功;实现", phonetic: "[əˈtʃiːv]", details: "", unit: "九下" },
            { word: "including", meaning: "prep.包括;包含", phonetic: "/ɪnˈkluːdɪŋ/", details: "", unit: "九下" },
            { word: "speaker", meaning: "n.说某种语言的人", phonetic: "['spiːkə]", details: "", unit: "九下" },
            { word: "boss", meaning: "n.老板;上司", phonetic: "[bɒs]", details: "", unit: "九下" },
            { word: "secretary", meaning: "n.秘书", phonetic: "[ˈsekrətri]", details: "", unit: "九下" },
            { word: "quarter", meaning: "n.四分之一", phonetic: "['kwɔːtə]", details: "", unit: "九下" },
            { word: "industry", meaning: "n.制造业;工业", phonetic: "[ˈɪndəstri]", details: "", unit: "九下" },
            { word: "zero", meaning: "n.(数字)零", phonetic: "['zɪərəʊ]", details: "", unit: "九下" },
            { word: "Indian", meaning: "n.印度人adj.印度的;印度文化的", phonetic: "['ɪndɪən]", details: "", unit: "九下" },
            { word: "type", meaning: "n.种;类;类型", phonetic: "[taɪp]", details: "", unit: "九下" },
            { word: "bedside", meaning: "n.床边;枕头", phonetic: "/ˈbedsaɪd/", details: "", unit: "九下" },
            { word: "handbag", meaning: "n.小提包(女用)", phonetic: "[ˈhændbæɡ]", details: "", unit: "九下" },
            { word: "pardon", meaning: "对不起;请原谅", phonetic: "['pɑːdn]", details: "", unit: "九下" },
            { word: "intend", meaning: "v.计划;打算", phonetic: "[ɪnˈtend]", details: "", unit: "九下" },
            { word: "fetch", meaning: "v.(去)取来;拿来", phonetic: "[fetʃ]", details: "", unit: "九下" },
            { word: "pancake", meaning: "n.薄烤饼;薄煎饼", phonetic: "[ˈpænkeɪk]", details: "", unit: "九下" },
            { word: "rose", meaning: "n.玫瑰;蔷薇", phonetic: "[rəʊz]", details: "", unit: "九下" },
            { word: "laugh at", meaning: "嘲笑;对…一笑置之", phonetic: "['lɑːfət]", details: "", unit: "九下" },
            { word: "kindness", meaning: "n.善举;好意", phonetic: "[ˈkaɪndnɪs]", details: "", unit: "九下" },
            { word: "give up", meaning: "放弃(努力)", phonetic: "", details: "", unit: "九下" },
            { word: "try one's best", meaning: "尽某人的最大努力", phonetic: "", details: "", unit: "九下" },
            { word: "disappointed", meaning: "adj.失望的;沮丧的", phonetic: "/ˌdɪsəˈpɔɪntɪd/", details: "", unit: "九下" },
            { word: "whom", meaning: "pron.…的人;那个人;那些人", phonetic: "[huːm]", details: "", unit: "九下" },
            { word: "note", meaning: "n.短笺，便条", phonetic: "[nəʊt]", details: "", unit: "九下" },
            { word: "beat", meaning: "n.节拍;拍子", phonetic: "[biːt]", details: "", unit: "九下" }
        ];
        
        // 应用状态
        let currentIndex = 0;
        let filteredWords = [...words]; // 初始显示所有单词
        let favorites = JSON.parse(localStorage.getItem('favorites')) || [];
        let currentFilter = 'all'; // 当前筛选条件: 'all', '9a', '9b'
        
        // DOM 元素
        const card = document.getElementById('card');
        const wordFront = document.getElementById('word-front');
        const phoneticFront = document.getElementById('phonetic-front');
        const unitFront = document.getElementById('unit-front');
        const meaningBack = document.getElementById('meaning-back');
        const detailsBack = document.getElementById('details-back');
        const gradeTag = document.getElementById('grade-tag');
        const favoriteBtn = document.getElementById('favorite-btn');
        const toggleFavoriteBtn = document.getElementById('toggle-favorite-btn');
        const flipBtn = document.getElementById('flip-btn');
        const prevBtn = document.getElementById('prev-btn');
        const nextBtn = document.getElementById('next-btn');
        const randomBtn = document.getElementById('random-btn');
        const showFavoritesBtn = document.getElementById('show-favorites-btn');
        const resetProgressBtn = document.getElementById('reset-progress-btn');
        const closeModalBtn = document.getElementById('close-modal-btn');
        const favoritesModal = document.getElementById('favorites-modal');
        const favoritesList = document.getElementById('favorites-list');
        const emptyFavoritesMessage = document.getElementById('empty-favorites-message');
        const audioBtnFront = document.getElementById('audio-btn-front');
        const audioBtnBack = document.getElementById('audio-btn-back');
        const totalWordsEl = document.getElementById('total-words');
        const currentIndexEl = document.getElementById('current-index');
        const favoriteCountEl = document.getElementById('favorite-count');
        const progressFill = document.getElementById('progress-fill');
        const progressText = document.getElementById('progress-text');
        const gradeAllBtn = document.getElementById('grade-all');
        const grade9aBtn = document.getElementById('grade-9a');
        const grade9bBtn = document.getElementById('grade-9b');
        
        // 初始化
        function init() {
            totalWordsEl.textContent = filteredWords.length;
            updateStats();
            loadWord(currentIndex);
            
            // 事件监听器
            card.addEventListener('click', flipCard);
            flipBtn.addEventListener('click', flipCard);
            prevBtn.addEventListener('click', showPreviousWord);
            nextBtn.addEventListener('click', showNextWord);
            randomBtn.addEventListener('click', showRandomWord);
            favoriteBtn.addEventListener('click', toggleFavorite);
            toggleFavoriteBtn.addEventListener('click', toggleFavorite);
            showFavoritesBtn.addEventListener('click', showFavorites);
            resetProgressBtn.addEventListener('click', resetProgress);
            closeModalBtn.addEventListener('click', closeModal);
            audioBtnFront.addEventListener('click', speakWord);
            audioBtnBack.addEventListener('click', speakWord);
            
            // 年级筛选按钮
            gradeAllBtn.addEventListener('click', () => filterWords('all'));
            grade9aBtn.addEventListener('click', () => filterWords('9a'));
            grade9bBtn.addEventListener('click', () => filterWords('9b'));
            
            // 点击模态框外部关闭
            favoritesModal.addEventListener('click', function(e) {
                if (e.target === favoritesModal) {
                    closeModal();
                }
            });
            
            // 键盘快捷键
            document.addEventListener('keydown', function(e) {
                switch(e.key) {
                    case 'ArrowLeft':
                        showPreviousWord();
                        break;
                    case 'ArrowRight':
                        showNextWord();
                        break;
                    case ' ':
                    case 'Spacebar':
                        e.preventDefault();
                        flipCard();
                        break;
                    case 'r':
                    case 'R':
                        showRandomWord();
                        break;
                    case 'f':
                    case 'F':
                        toggleFavorite();
                        break;
                }
            });
        }
        
        // 筛选单词
        function filterWords(filter) {
            currentFilter = filter;
            
            // 更新按钮状态
            gradeAllBtn.classList.remove('active');
            grade9aBtn.classList.remove('active');
            grade9bBtn.classList.remove('active');
            
            if (filter === 'all') {
                gradeAllBtn.classList.add('active');
                filteredWords = [...words];
            } else if (filter === '9a') {
                grade9aBtn.classList.add('active');
                filteredWords = words.filter(word => word.unit === '九上');
            } else if (filter === '9b') {
                grade9bBtn.classList.add('active');
                filteredWords = words.filter(word => word.unit === '九下');
            }
            
            // 重置当前索引
            currentIndex = 0;
            
            // 更新总单词数
            totalWordsEl.textContent = filteredWords.length;
            
            // 重新加载单词
            if (card.classList.contains('flipped')) {
                card.classList.remove('flipped');
            }
            loadWord(currentIndex);
        }
        
        // 加载单词
        function loadWord(index) {
            if (filteredWords.length === 0) return;
            
            const wordData = filteredWords[index];
            
            wordFront.textContent = wordData.word;
            phoneticFront.textContent = wordData.phonetic;
            unitFront.textContent = wordData.unit;
            meaningBack.textContent = wordData.meaning;
            detailsBack.textContent = wordData.details || `九年级${wordData.unit === '九上' ? '上册' : '下册'}单词`;
            gradeTag.textContent = wordData.unit === '九上' ? '九年级上册' : '九年级下册';
            
            // 更新收藏按钮状态
            updateFavoriteButton();
            
            // 更新进度
            updateProgress();
            
            // 更新当前索引显示
            currentIndexEl.textContent = index + 1;
        }
        
        // 更新进度
        function updateProgress() {
            if (filteredWords.length === 0) return;
            
            const progress = ((currentIndex + 1) / filteredWords.length) * 100;
            progressFill.style.width = `${progress}%`;
            progressText.textContent = `${currentIndex + 1}/${filteredWords.length}`;
        }
        
        // 翻转卡片
        function flipCard() {
            card.classList.toggle('flipped');
        }
        
        // 显示上一个单词
        function showPreviousWord() {
            if (filteredWords.length === 0) return;
            
            if (card.classList.contains('flipped')) {
                card.classList.remove('flipped');
            }
            
            currentIndex = (currentIndex - 1 + filteredWords.length) % filteredWords.length;
            loadWord(currentIndex);
        }
        
        // 显示下一个单词
        function showNextWord() {
            if (filteredWords.length === 0) return;
            
            if (card.classList.contains('flipped')) {
                card.classList.remove('flipped');
            }
            
            currentIndex = (currentIndex + 1) % filteredWords.length;
            loadWord(currentIndex);
        }
        
        // 显示随机单词
        function showRandomWord() {
            if (filteredWords.length === 0) return;
            
            if (card.classList.contains('flipped')) {
                card.classList.remove('flipped');
            }
            
            let newIndex;
            do {
                newIndex = Math.floor(Math.random() * filteredWords.length);
            } while (newIndex === currentIndex && filteredWords.length > 1);
            
            currentIndex = newIndex;
            loadWord(currentIndex);
        }
        
        // 切换收藏状态
        function toggleFavorite() {
            const currentWord = filteredWords[currentIndex].word;
            const index = favorites.indexOf(currentWord);
            
            if (index === -1) {
                // 添加到收藏
                favorites.push(currentWord);
            } else {
                // 从收藏中移除
                favorites.splice(index, 1);
            }
            
            // 保存到本地存储
            localStorage.setItem('favorites', JSON.stringify(favorites));
            
            // 更新按钮状态
            updateFavoriteButton();
            
            // 更新统计
            updateStats();
        }
        
        // 更新收藏按钮状态
        function updateFavoriteButton() {
            if (filteredWords.length === 0) return;
            
            const currentWord = filteredWords[currentIndex].word;
            const isFavorite = favorites.includes(currentWord);
            
            if (isFavorite) {
                favoriteBtn.innerHTML = '<i class="fas fa-heart"></i>';
                favoriteBtn.classList.add('active');
                toggleFavoriteBtn.innerHTML = '<i class="fas fa-heart"></i> 取消收藏';
                toggleFavoriteBtn.classList.add('active');
            } else {
                favoriteBtn.innerHTML = '<i class="far fa-heart"></i>';
                favoriteBtn.classList.remove('active');
                toggleFavoriteBtn.innerHTML = '<i class="far fa-heart"></i> 收藏单词';
                toggleFavoriteBtn.classList.remove('active');
            }
        }
        
        // 更新统计信息
        function updateStats() {
            favoriteCountEl.textContent = favorites.length;
        }
        
        // 重置进度
        function resetProgress() {
            if (confirm('确定要重置学习进度吗？这将回到第一个单词。')) {
                currentIndex = 0;
                if (card.classList.contains('flipped')) {
                    card.classList.remove('flipped');
                }
                loadWord(currentIndex);
            }
        }
        
        // 显示收藏列表
        function showFavorites() {
            favoritesModal.style.display = 'flex';
            renderFavoritesList();
        }
        
        // 关闭模态框
        function closeModal() {
            favoritesModal.style.display = 'none';
        }
        
        // 渲染收藏列表
        function renderFavoritesList() {
            if (favorites.length === 0) {
                emptyFavoritesMessage.style.display = 'block';
                favoritesList.innerHTML = '';
                return;
            }
            
            emptyFavoritesMessage.style.display = 'none';
            
            let html = '<ul class="word-list">';
            
            favorites.forEach(word => {
                const wordData = words.find(w => w.word === word);
                if (wordData) {
                    html += `
                        <li class="word-list-item">
                            <div class="word-info">
                                <div class="word-list-word">${wordData.word}</div>
                                <div class="word-list-meaning">${wordData.meaning}</div>
                                <div class="word-list-grade">${wordData.unit === '九上' ? '九年级上册' : '九年级下册'}</div>
                            </div>
                            <button class="remove-btn" data-word="${wordData.word}">移除</button>
                        </li>
                    `;
                }
            });
            
            html += '</ul>';
            favoritesList.innerHTML = html;
            
            // 为移除按钮添加事件监听器
            document.querySelectorAll('.remove-btn').forEach(btn => {
                btn.addEventListener('click', function() {
                    const wordToRemove = this.getAttribute('data-word');
                    removeFromFavorites(wordToRemove);
                });
            });
        }
        
        // 从收藏中移除单词
        function removeFromFavorites(word) {
            const index = favorites.indexOf(word);
            if (index !== -1) {
                favorites.splice(index, 1);
                localStorage.setItem('favorites', JSON.stringify(favorites));
                updateStats();
                renderFavoritesList();
                
                // 如果当前显示的单词被移除，更新按钮状态
                if (filteredWords[currentIndex] && filteredWords[currentIndex].word === word) {
                    updateFavoriteButton();
                }
            }
        }
        
        // 语音朗读单词
        function speakWord() {
            if (filteredWords.length === 0) return;
            
            const wordData = filteredWords[currentIndex];
            const utterance = new SpeechSynthesisUtterance(wordData.word);
            utterance.lang = 'en-US';
            utterance.rate = 0.8;
            speechSynthesis.speak(utterance);
        }
        
        // 页面加载完成后初始化
        window.addEventListener('DOMContentLoaded', init);
    </script>
</body>
</html>