<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>七年级下册英语单词闪卡</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', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px;
            color: #333;
        }
        
        .container {
            width: 100%;
            max-width: 900px;
            margin: 0 auto;
        }
        
        header {
            text-align: center;
            margin-bottom: 30px;
            color: white;
            padding: 20px;
            width: 100%;
        }
        
        h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        
        .subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.5;
        }
        
        .stats {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-top: 20px;
            background: rgba(255, 255, 255, 0.1);
            padding: 15px;
            border-radius: 12px;
            backdrop-filter: blur(5px);
        }
        
        .stat-item {
            text-align: center;
        }
        
        .stat-number {
            font-size: 1.8rem;
            font-weight: bold;
            color: #ffde59;
        }
        
        .stat-label {
            font-size: 0.9rem;
            opacity: 0.8;
        }
        
        .card-container {
            perspective: 1500px;
            width: 100%;
            max-width: 550px;
            height: 380px;
            margin: 0 auto 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);
            cursor: pointer;
            border-radius: 20px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
        }
        
        .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: 30px;
        }
        
        .card-front {
            background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
            color: #2c3e50;
        }
        
        .card-back {
            background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
            color: white;
            transform: rotateY(180deg);
            text-align: center;
        }
        
        .word {
            font-size: 3.5rem;
            font-weight: bold;
            margin-bottom: 10px;
            color: #2575fc;
        }
        
        .phonetic {
            font-size: 1.5rem;
            color: #7f8c8d;
            margin-bottom: 30px;
            font-style: italic;
        }
        
        .hint {
            font-size: 1rem;
            color: #95a5a6;
            margin-top: 20px;
            text-align: center;
        }
        
        .meaning {
            font-size: 2rem;
            margin-bottom: 25px;
            line-height: 1.4;
        }
        
        .example {
            font-size: 1.3rem;
            font-style: italic;
            opacity: 0.9;
            margin-top: 15px;
            line-height: 1.5;
        }
        
        .lesson-tag {
            position: absolute;
            top: 20px;
            left: 20px;
            background: #ffde59;
            color: #2c3e50;
            padding: 8px 15px;
            border-radius: 20px;
            font-weight: bold;
            font-size: 0.9rem;
        }
        
        .controls {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 30px;
            flex-wrap: wrap;
        }
        
        .btn {
            padding: 15px 30px;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .btn-primary {
            background: #2575fc;
            color: white;
        }
        
        .btn-secondary {
            background: #ffde59;
            color: #2c3e50;
        }
        
        .btn-danger {
            background: #e74c3c;
            color: white;
        }
        
        .btn-success {
            background: #2ecc71;
            color: white;
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
        }
        
        .btn:active {
            transform: translateY(1px);
        }
        
        .favorite-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            font-size: 2rem;
            color: #e74c3c;
            cursor: pointer;
            transition: transform 0.3s ease;
            z-index: 10;
        }
        
        .favorite-btn:hover {
            transform: scale(1.2);
        }
        
        .favorite-btn.favorited {
            color: #e74c3c;
        }
        
        .favorite-btn:not(.favorited) {
            color: #ccc;
        }
        
        /* 生词本模态框样式 */
        .modal {
            display: none;
            position: fixed;
            z-index: 100;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            justify-content: center;
            align-items: center;
        }
        
        .modal-content {
            background-color: white;
            padding: 30px;
            border-radius: 20px;
            width: 90%;
            max-width: 700px;
            max-height: 80vh;
            overflow-y: auto;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
        }
        
        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid #f1f1f1;
        }
        
        .modal-title {
            font-size: 1.8rem;
            color: #2c3e50;
        }
        
        .close-modal {
            font-size: 2rem;
            cursor: pointer;
            color: #95a5a6;
            transition: color 0.3s;
        }
        
        .close-modal:hover {
            color: #e74c3c;
        }
        
        .favorites-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 15px;
        }
        
        .favorite-item {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 12px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: transform 0.3s;
        }
        
        .favorite-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .favorite-word {
            font-weight: bold;
            font-size: 1.3rem;
            color: #2575fc;
        }
        
        .favorite-meaning {
            color: #2c3e50;
            margin-top: 5px;
        }
        
        .remove-btn {
            background: #e74c3c;
            color: white;
            border: none;
            border-radius: 50%;
            width: 36px;
            height: 36px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.3s;
        }
        
        .remove-btn:hover {
            background: #c0392b;
        }
        
        .empty-favorites {
            text-align: center;
            padding: 40px;
            color: #7f8c8d;
            font-size: 1.2rem;
            grid-column: 1 / -1;
        }
        
        .sound-btn {
            position: absolute;
            bottom: 20px;
            right: 20px;
            background: #2ecc71;
            color: white;
            border: none;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            transition: all 0.3s;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .sound-btn:hover {
            background: #27ae60;
            transform: scale(1.1);
        }
        
        .card-number {
            position: absolute;
            bottom: 20px;
            left: 20px;
            color: #7f8c8d;
            font-size: 1rem;
        }
        
        @media (max-width: 768px) {
            .card-container {
                height: 350px;
            }
            
            .word {
                font-size: 2.8rem;
            }
            
            .meaning {
                font-size: 1.7rem;
            }
            
            .example {
                font-size: 1.1rem;
            }
            
            .controls {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                max-width: 300px;
            }
            
            .favorites-list {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 480px) {
            .card-container {
                height: 320px;
            }
            
            .word {
                font-size: 2.2rem;
            }
            
            .meaning {
                font-size: 1.5rem;
            }
            
            h1 {
                font-size: 2rem;
            }
            
            .subtitle {
                font-size: 1rem;
            }
        }
        
        .progress-bar {
            width: 100%;
            height: 10px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 5px;
            margin-top: 20px;
            overflow: hidden;
        }
        
        .progress {
            height: 100%;
            background: #ffde59;
            border-radius: 5px;
            transition: width 0.5s ease;
        }
        
        .audio-controls {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 15px;
            margin-top: 20px;
        }
    </style>
</head>
<body>
    <div class="container">
        <header>
            <h1>七年级下册英语单词闪卡</h1>
            <p class="subtitle">点击卡片翻转查看释义，使用心形按钮收藏单词，点击喇叭图标听发音。共收录<span id="total-words">0</span>个单词</p>
            
            <div class="stats">
                <div class="stat-item">
                    <div class="stat-number" id="current-index">1</div>
                    <div class="stat-label">当前单词</div>
                </div>
                <div class="stat-item">
                    <div class="stat-number" id="favorites-count">0</div>
                    <div class="stat-label">已收藏</div>
                </div>
                <div class="stat-item">
                    <div class="stat-number" id="reviewed-count">0</div>
                    <div class="stat-label">已学习</div>
                </div>
            </div>
            
            <div class="progress-bar">
                <div class="progress" id="learning-progress"></div>
            </div>
        </header>
        
        <div class="card-container">
            <div class="card" id="flashcard">
                <button class="favorite-btn" id="favorite-btn">
                    <i class="far fa-heart"></i>
                </button>
                
                <div class="card-front">
                    <div class="lesson-tag" id="lesson-tag">七下</div>
                    <div class="word" id="word-front">crayon</div>
                    <div class="phonetic" id="phonetic-front">[ˈkreɪən]</div>
                    <div class="hint">点击卡片查看释义</div>
                    <div class="card-number" id="card-number">1 / 0</div>
                </div>
                
                <div class="card-back">
                    <div class="lesson-tag" id="lesson-tag-back">七下</div>
                    <div class="word" id="word-back">crayon</div>
                    <div class="phonetic" id="phonetic-back">[ˈkreɪən]</div>
                    <div class="meaning" id="meaning">n.蜡笔</div>
                    <div class="example" id="example"></div>
                    <div class="card-number" id="card-number-back">1 / 0</div>
                </div>
                
                <button class="sound-btn" id="sound-btn">
                    <i class="fas fa-volume-up"></i>
                </button>
            </div>
        </div>
        
        <div class="controls">
            <button class="btn btn-primary" id="prev-btn">
                <i class="fas fa-arrow-left"></i> 上一个
            </button>
            <button class="btn btn-secondary" id="flip-btn">
                <i class="fas fa-sync-alt"></i> 翻转卡片
            </button>
            <button class="btn btn-success" 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>
            <button class="btn btn-danger" id="favorites-modal-btn">
                <i class="fas fa-bookmark"></i> 查看生词本
            </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>
                <span class="close-modal" id="close-modal">&times;</span>
            </div>
            <div class="favorites-list" id="favorites-list">
                <!-- 生词列表将通过JavaScript动态生成 -->
            </div>
        </div>
    </div>
    
    <script>
        // 单词数据 - 来自用户提供的七年级下册单词
        const words = [
            { lesson: "七下", word: "crayon", phonetic: "[ˈkreɪən]", meaning: "n.蜡笔", example: "" },
            { lesson: "七下", word: "eraser", phonetic: "[ɪ'reɪzə]", meaning: "n.橡皮擦", example: "" },
            { lesson: "七下", word: "glove", phonetic: "[glʌv]", meaning: "n.手套", example: "" },
            { lesson: "七下", word: "wallet", phonetic: "[ˈwɒlɪt]", meaning: "n.钱包", example: "" },
            { lesson: "七下", word: "watch", phonetic: "[wɒtʃ]", meaning: "n.表；（通常指）手表", example: "" },
            { lesson: "七下", word: "whose", phonetic: "[huːz]", meaning: "pron.谁的", example: "" },
            { lesson: "七下", word: "first of all", phonetic: "", meaning: "首先；第一", example: "" },
            { lesson: "七下", word: "lose", phonetic: "[luːz]", meaning: "v.失去", example: "" },
            { lesson: "七下", word: "find", phonetic: "[faɪnd]", meaning: "v.发现；找到", example: "" },
            { lesson: "七下", word: "lost and found box", phonetic: "", meaning: "失物招领箱", example: "" },
            { lesson: "七下", word: "mine", phonetic: "[maɪn]", meaning: "pron.我的", example: "" },
            { lesson: "七下", word: "yours", phonetic: "/jɔːz/", meaning: "pron.你（们）的", example: "" },
            { lesson: "七下", word: "tape", phonetic: "[teɪp]", meaning: "n.录音带；录像带", example: "" },
            { lesson: "七下", word: "purple", phonetic: "['pɜːpl]", meaning: "adj.紫色的；紫红色的；n.紫色；紫红色", example: "" },
            { lesson: "七下", word: "hers", phonetic: "[hɜːz]", meaning: "pron.她的", example: "" },
            { lesson: "七下", word: "careful", phonetic: "['keəfəl]", meaning: "adj.仔细的；认真的；小心的", example: "" },
            { lesson: "七下", word: "be careful with", phonetic: "", meaning: "小心（对待）…", example: "" },
            { lesson: "七下", word: "on", phonetic: "[ɒn]", meaning: "adv.从某时刻起", example: "" },
            { lesson: "七下", word: "from now on", phonetic: "[frəmˈnaʊ ɒn]", meaning: "从现在开始", example: "" },
            { lesson: "七下", word: "here is/are…", phonetic: "", meaning: "（用于刚找到某人或某物时）在这儿", example: "" },
            { lesson: "七下", word: "camera", phonetic: "/ˈkæmərə/", meaning: "n.照相机", example: "" },
            { lesson: "七下", word: "phone", phonetic: "[fəʊn]", meaning: "n.电话；电话机", example: "" },
            { lesson: "七下", word: "mobile phone", phonetic: "", meaning: "移动电话；手机", example: "" },
            { lesson: "七下", word: "lost and found office", phonetic: "", meaning: "失物招领处", example: "" },
            { lesson: "七下", word: "in a hurry", phonetic: "", meaning: "匆匆忙忙", example: "" },
            { lesson: "七下", word: "leave", phonetic: "[liːv]", meaning: "v.丢下；遗忘", example: "" },
            { lesson: "七下", word: "plane", phonetic: "[pleɪn]", meaning: "n.飞机", example: "" },
            { lesson: "七下", word: "taxi", phonetic: "['tæksi]", meaning: "n.出租车", example: "" },
            { lesson: "七下", word: "why", phonetic: "[waɪ]", meaning: "adv.为什么", example: "" },
            { lesson: "七下", word: "airport", phonetic: "['eəpɔːt]", meaning: "n.机场；航空港", example: "" },
            { lesson: "七下", word: "hundred", phonetic: "['hʌndrəd]", meaning: "num.百", example: "" },
            { lesson: "七下", word: "hundreds of", phonetic: "", meaning: "几百；成百上千", example: "" },
            { lesson: "七下", word: "look for", phonetic: "/ˈlʊk fɔː(r)/", meaning: "寻找", example: "" },
            { lesson: "七下", word: "thousand", phonetic: "['θaʊz(ə)nd]", meaning: "num.千", example: "" },
            { lesson: "七下", word: "strange", phonetic: "[streɪndʒ]", meaning: "adj.奇怪的", example: "" },
            { lesson: "七下", word: "boat", phonetic: "[bəʊt]", meaning: "n.船", example: "" },
            { lesson: "七下", word: "duck", phonetic: "[dʌk]", meaning: "n.鸭", example: "" },
            { lesson: "七下", word: "pig", phonetic: "[pɪg]", meaning: "n.猪", example: "" },
            { lesson: "七下", word: "sausage", phonetic: "[ˈsɒsɪdʒ]", meaning: "n.香肠；腊肠", example: "" },
            { lesson: "七下", word: "play", phonetic: "[pleɪ]", meaning: "v.演奏；弹奏", example: "" },
            { lesson: "七下", word: "tennis", phonetic: "['tenɪs]", meaning: "n.网球", example: "" },
            { lesson: "七下", word: "piano", phonetic: "/piˈænəʊ/", meaning: "n.钢琴", example: "" },
            { lesson: "七下", word: "ride", phonetic: "/raɪd/", meaning: "v.骑；乘", example: "" },
            { lesson: "七下", word: "club", phonetic: "[klʌb]", meaning: "n.俱乐部", example: "" },
            { lesson: "七下", word: "term", phonetic: "[tɜːm]", meaning: "n.学期", example: "" },
            { lesson: "七下", word: "board", phonetic: "[bɔːd]", meaning: "n.布告板", example: "" },
            { lesson: "七下", word: "would like", phonetic: "", meaning: "想要；希望", example: "" },
            { lesson: "七下", word: "well", phonetic: "[wel]", meaning: "int.噢；喔", example: "" },
            { lesson: "七下", word: "all", phonetic: "[ɔːl]", meaning: "adj.所有的；全部的", example: "" },
            { lesson: "七下", word: "that's all", phonetic: "", meaning: "仅此而已", example: "" },
            { lesson: "七下", word: "worry", phonetic: "['wʌri]", meaning: "v.焦虑；担心", example: "" },
            { lesson: "七下", word: "worry about", phonetic: "", meaning: "担心……", example: "" },
            { lesson: "七下", word: "teach", phonetic: "/tiːtʃ/", meaning: "v.教；讲授", example: "" },
            { lesson: "七下", word: "then", phonetic: "[ðen]", meaning: "adv.那么；就", example: "" },
            { lesson: "七下", word: "monitor", phonetic: "[ˈmɒnɪtə]", meaning: "n.班长；监督员", example: "" },
            { lesson: "七下", word: "start", phonetic: "[stɑːt]", meaning: "n.开始；开端", example: "" },
            { lesson: "七下", word: "get on with sb.", phonetic: "", meaning: "与某人相处融洽", example: "" },
            { lesson: "七下", word: "ready", phonetic: "['redi]", meaning: "adj.乐意的", example: "" },
            { lesson: "七下", word: "ready to do sth.", phonetic: "", meaning: "乐于做某事", example: "" },
            { lesson: "七下", word: "promise", phonetic: "[ˈprɒmɪs]", meaning: "v.承诺；保证", example: "" },
            { lesson: "七下", word: "fast", phonetic: "[fɑːst]", meaning: "adv./adj.快地；迅速地/快的；迅速的", example: "" },
            { lesson: "七下", word: "fit", phonetic: "[fɪt]", meaning: "adj.健康的；强健的", example: "" },
            { lesson: "七下", word: "just", phonetic: "[dʒʌst]", meaning: "adv.就；正好", example: "" },
            { lesson: "七下", word: "ball", phonetic: "[bɔːl]", meaning: "n.球；球类游戏", example: "" },
            { lesson: "七下", word: "game", phonetic: "[geɪm]", meaning: "n.运动项目", example: "" },
            { lesson: "七下", word: "team", phonetic: "[tiːm]", meaning: "n.队伍；球队", example: "" },
            { lesson: "七下", word: "best", phonetic: "[best]", meaning: "adj.最好的", example: "" },
            { lesson: "七下", word: "score", phonetic: "[skɔː]", meaning: "n.得分；成绩", example: "" },
            { lesson: "七下", word: "tidy", phonetic: "['taɪdi]", meaning: "adj./v.整齐的；整洁的；爱整洁的；爱整齐的/收拾；整理", example: "" },
            { lesson: "七下", word: "sure", phonetic: "[ʃʊə]", meaning: "adj.确信的；有把握的", example: "" },
            { lesson: "七下", word: "everybody", phonetic: "[ˈevrɪbɒdi]", meaning: "pron.每个人", example: "" },
            { lesson: "七下", word: "just like", phonetic: "", meaning: "正如；正像", example: "" },
            { lesson: "七下", word: "beautiful", phonetic: "['bjuːtəfəl]", meaning: "adj.美的；美丽的", example: "" },
            { lesson: "七下", word: "fly", phonetic: "", meaning: "v.放飞（风筝）；飞行；乘飞机", example: "" },
            { lesson: "七下", word: "kite", phonetic: "[kaɪt]", meaning: "n.风筝", example: "" },
            { lesson: "七下", word: "swim", phonetic: "/swim/", meaning: "v.游泳", example: "" },
            { lesson: "七下", word: "go over", phonetic: "['gəʊˌəʊvə(r)]", meaning: "复习；练习", example: "" },
            { lesson: "七下", word: "picnic", phonetic: "['pɪknɪk]", meaning: "n野餐", example: "" },
            { lesson: "七下", word: "housework", phonetic: "['haʊswɜːk]", meaning: "n家务劳动", example: "" },
            { lesson: "七下", word: "on", phonetic: "[ɒn]", meaning: "prep在……时候", example: "" },
            { lesson: "七下", word: "else", phonetic: "[els]", meaning: "adv其他；另外", example: "" },
            { lesson: "七下", word: "nobody", phonetic: "[ˈnəʊbɒdi]", meaning: "pron没有人", example: "" },
            { lesson: "七下", word: "at", phonetic: "[æt]", meaning: "prep在……点钟", example: "" },
            { lesson: "七下", word: "nothing", phonetic: "['nʌθɪŋ]", meaning: "pron没有什么；没有东西", example: "" },
            { lesson: "七下", word: "silly", phonetic: "[ˈsɪli]", meaning: "adj愚蠢的；傻气的", example: "" },
            { lesson: "七下", word: "fantastic", phonetic: "[fæn'tæstɪk]", meaning: "adj极好的", example: "" },
            { lesson: "七下", word: "forward", phonetic: "[ˈfɔːwəd]", meaning: "adv面向未来的；向前", example: "" },
            { lesson: "七下", word: "look forward", phonetic: "", meaning: "盼望", example: "" },
            { lesson: "七下", word: "fan", phonetic: "[fæn]", meaning: "n迷；支持者", example: "" },
            { lesson: "七下", word: "make friends", phonetic: "", meaning: "交朋友", example: "" },
            { lesson: "七下", word: "shirt", phonetic: "[ʃɜːt]", meaning: "n球衣；（男式）衬衫", example: "" },
            { lesson: "七下", word: "cheer", phonetic: "[tʃɪə]", meaning: "v为……喝彩", example: "" },
            { lesson: "七下", word: "player", phonetic: "['pleɪə]", meaning: "n运动员；选手", example: "" },
            { lesson: "七下", word: "hope", phonetic: "[həʊp]", meaning: "v希望", example: "" },
            { lesson: "七下", word: "win", phonetic: "[wɪn]", meaning: "v赢；获胜", example: "" },
            { lesson: "七下", word: "enjoy oneself", phonetic: "[ɪn'dʒɔɪ wʌnˌself]", meaning: "过得愉快", example: "" },
            { lesson: "七下", word: "myself", phonetic: "[maɪ'self]", meaning: "pron我自己", example: "" },
            { lesson: "七下", word: "during", phonetic: "['djʊərɪŋ]", meaning: "prep在……期间", example: "" },
            { lesson: "七下", word: "May", phonetic: "[meɪ]", meaning: "n.5月", example: "" },
            { lesson: "七下", word: "May Day", phonetic: "", meaning: "五一劳动节", example: "" },
            { lesson: "七下", word: "late", phonetic: "[leɪt]", meaning: "adv迟；晚；adj迟的；晚的", example: "" },
            { lesson: "七下", word: "walk", phonetic: "[wɔːk]", meaning: "n步行；走", example: "" },
            { lesson: "七下", word: "take a walk", phonetic: "", meaning: "散步", example: "" },
            { lesson: "七下", word: "country", phonetic: "['kʌntri]", meaning: "n乡下；乡村", example: "" },
            { lesson: "七下", word: "second", phonetic: "['sekənd]", meaning: "num第二", example: "" },
            { lesson: "七下", word: "collect", phonetic: "[kə'lekt]", meaning: "v收集", example: "" },
            { lesson: "七下", word: "litter", phonetic: "['lɪtə]", meaning: "n垃圾", example: "" },
            { lesson: "七下", word: "fun", phonetic: "[fʌn]", meaning: "n娱乐；乐趣", example: "" },
            { lesson: "七下", word: "summer holiday", phonetic: "", meaning: "暑假", example: "" },
            { lesson: "七下", word: "camp", phonetic: "[kæmp]", meaning: "n营地；帐篷", example: "" },
            { lesson: "七下", word: "Australian", phonetic: "[ɔːs'treɪlɪən]", meaning: "adj澳大利亚的", example: "" },
            { lesson: "七下", word: "sightseeing", phonetic: "[ˈsaɪtsiːɪŋ]", meaning: "n观光；游览", example: "" },
            { lesson: "七下", word: "go sightseeing", phonetic: "", meaning: "观光", example: "" },
            { lesson: "七下", word: "beach", phonetic: "[biːtʃ]", meaning: "n海滨；海滩", example: "" },
            { lesson: "七下", word: "early", phonetic: "['ɜːli]", meaning: "adv早；提前；adj早的", example: "" },
            { lesson: "七下", word: "chalk", phonetic: "[tʃɔːk]", meaning: "n.粉笔", example: "" },
            { lesson: "七下", word: "ruler", phonetic: "['ruːlə]", meaning: "n.直尺", example: "" },
            { lesson: "七下", word: "carry", phonetic: "['kæri]", meaning: "v.拿;带", example: "" },
            { lesson: "七下", word: "change", phonetic: "[tʃeɪndʒ]", meaning: "v.＆n.改变;变化", example: "" },
            { lesson: "七下", word: "everything", phonetic: "['evrɪθɪŋ]", meaning: "pron.每样事物;每件事;所有事物", example: "" },
            { lesson: "七下", word: "future", phonetic: "['fjuːtʃə]", meaning: "n.将来;未来", example: "" },
            { lesson: "七下", word: "in the future", phonetic: "", meaning: "将来", example: "" },
            { lesson: "七下", word: "life", phonetic: "[laɪf]", meaning: "n.生活;生命", example: "" },
            { lesson: "七下", word: "need", phonetic: "[niːd]", meaning: "v.＆v.aux.需要", example: "" },
            { lesson: "七下", word: "will", phonetic: "[wɪl]", meaning: "v.aux.将;将要;将会", example: "" },
            { lesson: "七下", word: "maybe", phonetic: "['meɪbi]", meaning: "adv.也许", example: "" },
            { lesson: "七下", word: "ask", phonetic: "[ɑːsk]", meaning: "v.询问;问", example: "" },
            { lesson: "七下", word: "question", phonetic: "['kwestʃən]", meaning: "n.问题", example: "" },
            { lesson: "七下", word: "by", phonetic: "[baɪ]", meaning: "prep.用;靠;乘(交通工具)", example: "" },
            { lesson: "七下", word: "level", phonetic: "[ˈlev(ə)l]", meaning: "n.水平", example: "" },
            { lesson: "七下", word: "able", phonetic: "['eɪbl]", meaning: "adj.能够…的", example: "" },
            { lesson: "七下", word: "be able to", phonetic: "", meaning: "能够做…", example: "" },
            { lesson: "七下", word: "more", phonetic: "[mɔː]", meaning: "adv.更加;更；adj.更多的", example: "" },
            { lesson: "七下", word: "not…any more…", phonetic: "", meaning: "不再…", example: "" },
            { lesson: "七下", word: "free", phonetic: "[friː]", meaning: "adj.(时间)空闲的;空余的", example: "" },
            { lesson: "七下", word: "air", phonetic: "[eə]", meaning: "n.天空;空中;空气", example: "" },
            { lesson: "七下", word: "land", phonetic: "[lænd]", meaning: "n.陆地", example: "" },
            { lesson: "七下", word: "machine", phonetic: "[mə'ʃiːn]", meaning: "n.机器", example: "" },
            { lesson: "七下", word: "rain", phonetic: "[reɪn]", meaning: "n.雨;雨水；v.下雨", example: "" },
            { lesson: "七下", word: "robot", phonetic: "[ˈrəʊbɒt]", meaning: "n.机器人", example: "" },
            { lesson: "七下", word: "sea", phonetic: "[siː]", meaning: "n.海;海洋", example: "" },
            { lesson: "七下", word: "space", phonetic: "[speɪs]", meaning: "n.太空;空间", example: "" },
            { lesson: "七下", word: "traffic", phonetic: "['træfɪk]", meaning: "n.交通", example: "" },
            { lesson: "七下", word: "jam", phonetic: "[dʒæm]", meaning: "n.堵塞;拥挤", example: "" },
            { lesson: "七下", word: "traffic jam", phonetic: "", meaning: "交通堵塞", example: "" },
            { lesson: "七下", word: "wind", phonetic: "[waɪnd]", meaning: "n.风", example: "" },
            { lesson: "七下", word: "true", phonetic: "[truː]", meaning: "adj.真的；真实的", example: "" },
            { lesson: "七下", word: "come true", phonetic: "[ˌkʌm'truː]", meaning: "（希望、梦想等）实现；成真", example: "" },
            { lesson: "七下", word: "here is/are", phonetic: "", meaning: "（介绍某人∕物）", example: "" },
            { lesson: "七下", word: "bike", phonetic: "", meaning: "n.自行车", example: "" },
            { lesson: "七下", word: "car", phonetic: "[kɑː]", meaning: "n.汽车；轿车", example: "" },
            { lesson: "七下", word: "cheap", phonetic: "[tʃiːp]", meaning: "adj.便宜的", example: "" },
            { lesson: "七下", word: "everywhere", phonetic: "['evrɪweə]", meaning: "adv.到处；处处", example: "" },
            { lesson: "七下", word: "not only...but also…", phonetic: "", meaning: "不仅…而且…", example: "" },
            { lesson: "七下", word: "into", phonetic: "['ɪntuː]", meaning: "prep.W", example: "" },
            { lesson: "七下", word: "long", phonetic: "[lɒŋ]", meaning: "adj.长的;长时间的", example: "" },
            { lesson: "七下", word: "heavy", phonetic: "['hevi]", meaning: "adj.繁重的;沉重的", example: "" },
            { lesson: "七下", word: "light", phonetic: "[laɪt]", meaning: "adj.轻的;轻松的;少量的", example: "" },
            { lesson: "七下", word: "easy", phonetic: "['iːzi]", meaning: "adj.容易的", example: "" },
            { lesson: "七下", word: "working", phonetic: "/ˈwɜːkɪŋ/", meaning: "adj.(有关)工作的", example: "" },
            { lesson: "七下", word: "hour", phonetic: "[aʊə]", meaning: "n.小时", example: "" },
            { lesson: "七下", word: "short", phonetic: "[ʃɔːt]", meaning: "adj.短的;矮的;短暂的", example: "" },
            { lesson: "七下", word: "rise", phonetic: "/raɪz/", meaning: "v.上升", example: "" },
            { lesson: "七下", word: "as well", phonetic: "[əz'wel]", meaning: "和;又;也", example: "" },
            { lesson: "七下", word: "market", phonetic: "['mɑːkɪt]", meaning: "n市场", example: "" },
            { lesson: "七下", word: "supermarket", phonetic: "['sjuːpəˌmɑːkɪt]", meaning: "n超市", example: "" },
            { lesson: "七下", word: "biscuit", phonetic: "[ˈbɪskɪt]", meaning: "n饼干", example: "" },
            { lesson: "七下", word: "lemon", phonetic: "[ˈlemən]", meaning: "n柠檬", example: "" },
            { lesson: "七下", word: "strawberry", phonetic: "[ˈstrɔːbəri]", meaning: "n草莓", example: "" },
            { lesson: "七下", word: "Mother's Day", phonetic: "", meaning: "母亲节", example: "" },
            { lesson: "七下", word: "size", phonetic: "[saɪz]", meaning: "n尺码", example: "" },
            { lesson: "七下", word: "take", phonetic: "[teɪk]", meaning: "v穿", example: "" },
            { lesson: "七下", word: "may", phonetic: "[meɪ]", meaning: "v可以", example: "" },
            { lesson: "七下", word: "try", phonetic: "[traɪ]", meaning: "v尝试", example: "" },
            { lesson: "七下", word: "try on", phonetic: "[ˈtraɪ ɒn]", meaning: "试穿", example: "" },
            { lesson: "七下", word: "certainly", phonetic: "['sɜːtənli]", meaning: "adv当然", example: "" },
            { lesson: "七下", word: "wait a minute", phonetic: "", meaning: "别急", example: "" },
            { lesson: "七下", word: "sale", phonetic: "[seɪl]", meaning: "n降价出售", example: "" },
            { lesson: "七下", word: "price", phonetic: "[praɪs]", meaning: "n价格", example: "" },
            { lesson: "七下", word: "look", phonetic: "[lʊk]", meaning: "v看起来", example: "" },
            { lesson: "七下", word: "fresh", phonetic: "[freʃ]", meaning: "adj新鲜的", example: "" },
            { lesson: "七下", word: "advantage", phonetic: "[ədˈvɑːntɪdʒ]", meaning: "n优势", example: "" },
            { lesson: "七下", word: "anyone", phonetic: "['enɪwʌn]", meaning: "pron任何人", example: "" },
            { lesson: "七下", word: "anything", phonetic: "['enɪˌθɪŋ]", meaning: "pron任何东西", example: "" },
            { lesson: "七下", word: "anywhere", phonetic: "['enɪweə]", meaning: "adv任何地方", example: "" },
            { lesson: "七下", word: "compare", phonetic: "[kəmˈpeə]", meaning: "v比较", example: "" },
            { lesson: "七下", word: "pay", phonetic: "[peɪd]", meaning: "v支付", example: "" },
            { lesson: "七下", word: "post", phonetic: "[pəʊst]", meaning: "v/n邮寄", example: "" },
            { lesson: "七下", word: "product", phonetic: "[ˈprɒdʌkt]", meaning: "n产品", example: "" },
            { lesson: "七下", word: "receive", phonetic: "[rɪ'siːv]", meaning: "v收到", example: "" },
            { lesson: "七下", word: "safe", phonetic: "[seɪf]", meaning: "adj安全的", example: "" },
            { lesson: "七下", word: "several", phonetic: "['sevərəl]", meaning: "adj几个", example: "" },
            { lesson: "七下", word: "online", phonetic: "[ˌɒnˈlaɪn]", meaning: "adj在线的", example: "" },
            { lesson: "七下", word: "shopping", phonetic: "[ˈʃɒpɪŋ]", meaning: "n购物", example: "" },
            { lesson: "七下", word: "way", phonetic: "[weɪ]", meaning: "n方式", example: "" },
            { lesson: "七下", word: "one of", phonetic: "", meaning: "……之一", example: "" },
            { lesson: "七下", word: "almost", phonetic: "['ɔːlməʊst]", meaning: "adv几乎", example: "" },
            { lesson: "七下", word: "something", phonetic: "['sʌmθɪŋ]", meaning: "pron某事物", example: "" },
            { lesson: "七下", word: "later", phonetic: "['leɪtə]", meaning: "adv后来", example: "" },
            { lesson: "七下", word: "open", phonetic: "['əʊpən]", meaning: "adj营业的", example: "" },
            { lesson: "七下", word: "out", phonetic: "[aʊt]", meaning: "adv外出", example: "" },
            { lesson: "七下", word: "go out", phonetic: "", meaning: "外出", example: "" },
            { lesson: "七下", word: "over", phonetic: "['əʊvə]", meaning: "prep通过", example: "" },
            { lesson: "七下", word: "one day", phonetic: "", meaning: "总有一天", example: "" },
            { lesson: "七下", word: "one", phonetic: "[wʌn]", meaning: "pron一个", example: "" },
            { lesson: "七下", word: "bank", phonetic: "[bæŋk]", meaning: "n.银行", example: "" },
            { lesson: "七下", word: "museum", phonetic: "[mjuː'zɪəm]", meaning: "n.博物馆", example: "" },
            { lesson: "七下", word: "along", phonetic: "[əˈlɒŋ]", meaning: "prep.沿着", example: "" },
            { lesson: "七下", word: "across", phonetic: "[ə'krɔːs]", meaning: "prep.越过", example: "" },
            { lesson: "七下", word: "cross", phonetic: "[krɔːs]", meaning: "v.穿过", example: "" },
            { lesson: "七下", word: "opposite", phonetic: "[ˈɒpəzɪt]", meaning: "prep.在……的对面", example: "" },
            { lesson: "七下", word: "tourist", phonetic: "['tuərɪst]", meaning: "n.旅客", example: "" },
            { lesson: "七下", word: "excuse", phonetic: "[ɪk'skjuːz]", meaning: "v.原谅、谅解", example: "" },
            { lesson: "七下", word: "excuse me", phonetic: "", meaning: "劳驾、对不起", example: "" },
            { lesson: "七下", word: "street", phonetic: "[striːt]", meaning: "n.街道", example: "" },
            { lesson: "七下", word: "turn", phonetic: "[tɜːn]", meaning: "v.换方向", example: "" },
            { lesson: "七下", word: "third", phonetic: "[θɜːd]", meaning: "num.第三", example: "" },
            { lesson: "七下", word: "guidebook", phonetic: "['gaɪdbʊk]", meaning: "n.导游手册；旅行指南", example: "" },
            { lesson: "七下", word: "bookshop", phonetic: "[ˈbʊkʃɒp]", meaning: "n.书店", example: "" },
            { lesson: "七下", word: "right", phonetic: "[raɪt]", meaning: "int.好了；是的；好", example: "" },
            { lesson: "七下", word: "Why not…?", phonetic: "", meaning: "为什么不……呢？", example: "" },
            { lesson: "七下", word: "could", phonetic: "[kʊd]", meaning: "v.aux.可以；能", example: "" },
            { lesson: "七下", word: "underground", phonetic: "['ʌndəgraʊnd]", meaning: "n.地铁", example: "" },
            { lesson: "七下", word: "take", phonetic: "[teɪk]", meaning: "v.搭乘；乘坐；固定使用；把（某人）带往；使（某人）到", example: "" },
            { lesson: "七下", word: "tour", phonetic: "[tʊə]", meaning: "n.参观；游览；旅行", example: "" },
            { lesson: "七下", word: "square", phonetic: "[skweə]", meaning: "n.广场", example: "" },
            { lesson: "七下", word: "middle", phonetic: "['mɪdl]", meaning: "n.中部；中间；adj.中等的；中部的", example: "" },
            { lesson: "七下", word: "famous", phonetic: "['feɪməs]", meaning: "adj.著名的", example: "" },
            { lesson: "七下", word: "painting", phonetic: "['peɪntɪŋ]", meaning: "n.油画；绘画", example: "" },
            { lesson: "七下", word: "from", phonetic: "[frɒm]", meaning: "prep.从……出发", example: "" },
            { lesson: "七下", word: "metre", phonetic: "['miːtə]", meaning: "n.米", example: "" },
            { lesson: "七下", word: "above", phonetic: "[ə'bʌv]", meaning: "prep.在……上方；在……之上", example: "" },
            { lesson: "七下", word: "river", phonetic: "['rɪvə]", meaning: "n.河；江", example: "" },
            { lesson: "七下", word: "clear", phonetic: "[klɪə]", meaning: "adj.（天气）晴朗的", example: "" },
            { lesson: "七下", word: "bridge", phonetic: "[brɪdʒ]", meaning: "n.桥", example: "" },
            { lesson: "七下", word: "railway", phonetic: "['reɪlweɪ]", meaning: "n.铁路", example: "" },
            { lesson: "七下", word: "past", phonetic: "[pɑːst]", meaning: "prep.路过；越过", example: "" },
            { lesson: "七下", word: "church", phonetic: "[tʃɜːtʃ]", meaning: "n.教堂", example: "" },
            { lesson: "七下", word: "finish", phonetic: "['fɪnɪʃ]", meaning: "v.结束；完成", example: "" },
            { lesson: "七下", word: "high", phonetic: "[haɪ]", meaning: "adj.高的", example: "" },
            { lesson: "七下", word: "post office", phonetic: "", meaning: "邮政局", example: "" },
            { lesson: "七下", word: "up", phonetic: "[ʌp]", meaning: "prep.沿着……而去", example: "" },
            { lesson: "七下", word: "down", phonetic: "[daʊn]", meaning: "prep.沿着", example: "" },
            { lesson: "七下", word: "stop", phonetic: "[stɒp]", meaning: "n.车站", example: "" },
            { lesson: "七下", word: "born", phonetic: "[bɔːn]", meaning: "adj.出生", example: "" },
            { lesson: "七下", word: "strict", phonetic: "[strɪkt]", meaning: "adj.严格的，严厉的", example: "" },
            { lesson: "七下", word: "friendly", phonetic: "['frendli]", meaning: "adj.友好的", example: "" },
            { lesson: "七下", word: "primary", phonetic: "[ˈpraɪməri]", meaning: "adj.初等的，初级的", example: "" },
            { lesson: "七下", word: "primary school", phonetic: "", meaning: "小学", example: "" },
            { lesson: "七下", word: "town", phonetic: "[taʊn]", meaning: "n.城镇， 市镇", example: "" },
            { lesson: "七下", word: "US", phonetic: "[ʌs]", meaning: "美国", example: "" },
            { lesson: "七下", word: "hey", phonetic: "[heɪ]", meaning: "int嘿，喂", example: "" },
            { lesson: "七下", word: "village", phonetic: "['vɪlɪdʒ]", meaning: "n.村庄", example: "" },
            { lesson: "七下", word: "nice", phonetic: "[naɪs]", meaning: "adj.有好的，亲切的", example: "" },
            { lesson: "七下", word: "good", phonetic: "[gʊd]", meaning: "adj.乖的，守规矩的", example: "" },
            { lesson: "七下", word: "difficult", phonetic: "['dɪfɪkəlt]", meaning: "adj.难对付的", example: "" },
            { lesson: "七下", word: "bathroom", phonetic: "[ˈbɑːθruːm]", meaning: "n.浴室", example: "" },
            { lesson: "七下", word: "bedroom", phonetic: "['bedrʊm]", meaning: "n.卧室", example: "" },
            { lesson: "七下", word: "garden", phonetic: "['gɑːdn]", meaning: "n.花园", example: "" },
            { lesson: "七下", word: "living room", phonetic: "", meaning: "起居室，客厅", example: "" },
            { lesson: "七下", word: "east", phonetic: "[iːst]", meaning: "adj.东面的，东部的；n东方", example: "" },
            { lesson: "七下", word: "coast", phonetic: "[kəʊst]", meaning: "n海岸", example: "" },
            { lesson: "七下", word: "ago", phonetic: "[ə'gəʊ]", meaning: "adv.以前", example: "" },
            { lesson: "七下", word: "store", phonetic: "[stɔː]", meaning: "n.商店", example: "" },
            { lesson: "七下", word: "movie theater", phonetic: "", meaning: "电影院", example: "" },
            { lesson: "七下", word: "bored", phonetic: "[bɔːd]", meaning: "adj.厌烦的，厌倦的", example: "" },
            { lesson: "七下", word: "president", phonetic: "[ˈprezɪdənt]", meaning: "n.总统", example: "" },
            { lesson: "七下", word: "comfortable", phonetic: "['kʌmfətəbl]", meaning: "adj.舒适的，舒服的", example: "" },
            { lesson: "七下", word: "lake", phonetic: "[leɪk]", meaning: "n湖", example: "" },
            { lesson: "七下", word: "last", phonetic: "[lɑːst]", meaning: "adj.（星期、月份等）最近过去的，紧接现在前面的", example: "" },
            { lesson: "七下", word: "yesterday", phonetic: "/ˈjestədeɪ/", meaning: "adv.（在）昨天", example: "" },
            { lesson: "七下", word: "hair", phonetic: "[heə]", meaning: "n.头发", example: "" },
            { lesson: "七下", word: "gold", phonetic: "[ɡəʊld]", meaning: "n金色，黄金，金牌", example: "" },
            { lesson: "七下", word: "forest", phonetic: "[ˈfɒrɪst]", meaning: "n.森林", example: "" },
            { lesson: "七下", word: "once", phonetic: "[wʌns]", meaning: "adv.一次，一回", example: "" },
            { lesson: "七下", word: "upon", phonetic: "[əˈpɒn]", meaning: "prep.在……上,到…… 上", example: "" },
            { lesson: "七下", word: "once upon a time", phonetic: "", meaning: "从前", example: "" },
            { lesson: "七下", word: "decide", phonetic: "[dɪ'saɪd]", meaning: "v.决定", example: "" },
            { lesson: "七下", word: "go for a walk", phonetic: "", meaning: "散步", example: "" },
            { lesson: "七下", word: "basket", phonetic: "['bɑːskɪt]", meaning: "n篮子", example: "" },
            { lesson: "七下", word: "notice", phonetic: "['nəʊtɪs]", meaning: "v.注意到", example: "" },
            { lesson: "七下", word: "all alone", phonetic: "", meaning: "独自一人的", example: "" },
            { lesson: "七下", word: "dark", phonetic: "[dɑːk]", meaning: "adj.黑暗的", example: "" },
            { lesson: "七下", word: "pick", phonetic: "[pɪk]", meaning: "v.采，摘", example: "" },
            { lesson: "七下", word: "pick up", phonetic: "['pɪk ʌp]", meaning: "拿起；举起", example: "" },
            { lesson: "七下", word: "soon", phonetic: "[suːn]", meaning: "adv.立刻；不久", example: "" },
            { lesson: "七下", word: "lost", phonetic: "[lɒst]", meaning: "adj.迷路的", example: "" },
            { lesson: "七下", word: "around", phonetic: "[ə'raʊnd]", meaning: "prep.环绕的；围绕", example: "" },
            { lesson: "七下", word: "little", phonetic: "['lɪtl]", meaning: "adj.小的", example: "" },
            { lesson: "七下", word: "towards", phonetic: "[tə'wɔːdz]", meaning: "prep.往；向；朝……方向", example: "" },
            { lesson: "七下", word: "knock", phonetic: "[nɒk]", meaning: "v.敲", example: "" },
            { lesson: "七下", word: "door", phonetic: "[dɔː]", meaning: "n门", example: "" },
            { lesson: "七下", word: "answer", phonetic: "['ɑːnsə]", meaning: "v.应门；回答", example: "" },
            { lesson: "七下", word: "push", phonetic: "[pʊʃ]", meaning: "v.推", example: "" },
            { lesson: "七下", word: "enter", phonetic: "['entə]", meaning: "v.进入", example: "" },
            { lesson: "七下", word: "bowl", phonetic: "[bəʊl]", meaning: "n碗", example: "" },
            { lesson: "七下", word: "hungry", phonetic: "['hʌŋgri]", meaning: "adj.感到饿的；饥饿的", example: "" },
            { lesson: "七下", word: "right", phonetic: "[raɪt]", meaning: "adj.合适的；恰当的", example: "" },
            { lesson: "七下", word: "finish", phonetic: "['fɪnɪʃ]", meaning: "v.吃完；喝完；用尽", example: "" },
            { lesson: "七下", word: "either", phonetic: "['aɪðə]", meaning: "adv.也（不）", example: "" },
            { lesson: "七下", word: "piece", phonetic: "[piːs]", meaning: "n部件；碎片；一件；一个；一张", example: "" },
            { lesson: "七下", word: "in pieces", phonetic: "", meaning: "破碎", example: "" },
            { lesson: "七下", word: "asleep", phonetic: "[ə'sliːp]", meaning: "adj.睡着的", example: "" },
            { lesson: "七下", word: "return", phonetic: "[rɪ'tɜːn]", meaning: "v.返回；归还", example: "" },
            { lesson: "七下", word: "cry", phonetic: "[kraɪ]", meaning: "v.哭；喊叫", example: "" },
            { lesson: "七下", word: "at first", phonetic: "", meaning: "起初；首先", example: "" },
            { lesson: "七下", word: "point", phonetic: "[pɔɪnt]", meaning: "v.指向；指", example: "" },
            { lesson: "七下", word: "point at", phonetic: "", meaning: "指着", example: "" },
            { lesson: "七下", word: "shout", phonetic: "[ʃaʊt]", meaning: "v.高声说；大声喊", example: "" },
            { lesson: "七下", word: "jump", phonetic: "[dʒʌmp]", meaning: "v.跳", example: "" },
            { lesson: "七下", word: "without", phonetic: "[wɪ'ðaʊt]", meaning: "prep.无；没有", example: "" },
            { lesson: "七下", word: "part", phonetic: "[pɑːt]", meaning: "n部分；地区；地方", example: "" },
            { lesson: "七下", word: "March", phonetic: "[mɑːtʃ]", meaning: "n3月", example: "" },
            { lesson: "七下", word: "April", phonetic: "['eɪprəl]", meaning: "n4月", example: "" },
            { lesson: "七下", word: "June", phonetic: "[dʒuːn]", meaning: "n6月", example: "" },
            { lesson: "七下", word: "Women's Day", phonetic: "", meaning: "妇女节", example: "" },
            { lesson: "七下", word: "National Day", phonetic: "[ˈnæʃnəl]", meaning: "国庆节", example: "" },
            { lesson: "七下", word: "Children's Day", phonetic: "", meaning: "儿童节", example: "" },
            { lesson: "七下", word: "July", phonetic: "[dʒuː'laɪ]", meaning: "n7月", example: "" },
            { lesson: "七下", word: "August", phonetic: "[ɔː'gəst]", meaning: "n8月", example: "" },
            { lesson: "七下", word: "September", phonetic: "/sepˈtembə(r)/", meaning: "n9月", example: "" },
            { lesson: "七下", word: "October", phonetic: "[ɒkˈtəʊbə]", meaning: "n10月", example: "" },
            { lesson: "七下", word: "November", phonetic: "[nəʊ'vembə]", meaning: "n11月", example: "" },
            { lesson: "七下", word: "December", phonetic: "[dɪ'sembə]", meaning: "n12月", example: "" },
            { lesson: "七下", word: "writer", phonetic: "['raɪtə]", meaning: "n作家", example: "" },
            { lesson: "七下", word: "find out", phonetic: "['faɪndaʊt]", meaning: "发现；查明；弄清", example: "" },
            { lesson: "七下", word: "real", phonetic: "['riəl]", meaning: "adj.真实的；真正的", example: "" },
            { lesson: "七下", word: "at the age of", phonetic: "", meaning: "在……岁时", example: "" },
            { lesson: "七下", word: "newspaper", phonetic: "['njuːzˌpeɪpə]", meaning: "n报纸", example: "" },
            { lesson: "七下", word: "exact", phonetic: "[ɪɡˈzækt]", meaning: "adj.准确的；确切的", example: "" },
            { lesson: "七下", word: "date", phonetic: "[deɪt]", meaning: "n日期", example: "" },
            { lesson: "七下", word: "become", phonetic: "[bɪ'kʌm]", meaning: "v.成为", example: "" },
            { lesson: "七下", word: "in the 1860s", phonetic: "", meaning: "在19世纪60年代", example: "" },
            { lesson: "七下", word: "play", phonetic: "[pleɪ]", meaning: "n剧本；戏剧", example: "" },
            { lesson: "七下", word: "poem", phonetic: "[ˈpəʊɪm]", meaning: "n诗歌", example: "" },
            { lesson: "七下", word: "marry", phonetic: "['mæri]", meaning: "v.结婚", example: "" },
            { lesson: "七下", word: "successful", phonetic: "[səkˈsesfʊl]", meaning: "adj.成功的", example: "" },
            { lesson: "七下", word: "work", phonetic: "[wɜːk]", meaning: "n作品；著作", example: "" },
            { lesson: "七下", word: "build", phonetic: "[bɪld]", meaning: "v.建造", example: "" },
            { lesson: "七下", word: "on", phonetic: "[ɒn]", meaning: "prep.在……河边", example: "" },
            { lesson: "七下", word: "fire", phonetic: "[ˈfaɪə]", meaning: "n火；火灾", example: "" },
            { lesson: "七下", word: "die", phonetic: "[daɪ]", meaning: "v.死；去世", example: "" },
            { lesson: "七下", word: "rich", phonetic: "[rɪtʃ]", meaning: "adj.富有的", example: "" },
            { lesson: "七下", word: "language", phonetic: "['læŋgwɪdʒ]", meaning: "n语言", example: "" },
            { lesson: "七下", word: "around the world", phonetic: "", meaning: "世界各地", example: "" },
            { lesson: "七下", word: "young", phonetic: "[jʌŋ]", meaning: "adj.年轻的", example: "" },
            { lesson: "七下", word: "Pacific", phonetic: "[pəˈsɪfɪk]", meaning: "adj.太平洋的", example: "" },
            { lesson: "七下", word: "so", phonetic: "[səʊ]", meaning: "adv.那么", example: "" },
            { lesson: "七下", word: "guess", phonetic: "[ges]", meaning: "v.猜；猜测", example: "" },
            { lesson: "七下", word: "excited", phonetic: "[ɪk'saɪtɪd]", meaning: "adj.激动的；兴奋的", example: "" },
            { lesson: "七下", word: "wow", phonetic: "[waʊ]", meaning: "int哇；噢", example: "" },
            { lesson: "七下", word: "arrive", phonetic: "[ə'raɪv]", meaning: "v.到达", example: "" },
            { lesson: "七下", word: "relax", phonetic: "[rɪ'læks]", meaning: "v.放松", example: "" },
            { lesson: "七下", word: "world-famous", phonetic: "[wɜːld-ˈfeɪməs]", meaning: "adj.举世闻名的", example: "" },
            { lesson: "七下", word: "French", phonetic: "[frentʃ]", meaning: "adj.法国的；法语的；n法国人；法语", example: "" },
            { lesson: "七下", word: "sell", phonetic: "[sel]", meaning: "v.卖；出售", example: "" },
            { lesson: "七下", word: "top", phonetic: "[tɒp]", meaning: "n顶端", example: "" },
            { lesson: "七下", word: "light", phonetic: "[laɪt]", meaning: "n电灯", example: "" },
            { lesson: "七下", word: "on", phonetic: "[ɒn]", meaning: "adv.在使用中；开着的", example: "" },
            { lesson: "七下", word: "wonderful", phonetic: "['wʌndəfəl]", meaning: "adj.绝妙的；了不起的", example: "" },
            { lesson: "七下", word: "palace", phonetic: "['pælɪs]", meaning: "n宫殿", example: "" },
            { lesson: "七下", word: "bow", phonetic: "[bəʊ]", meaning: "v.鞠躬；弯腰", example: "" },
            { lesson: "七下", word: "kiss", phonetic: "[kɪs]", meaning: "v.n吻；亲吻", example: "" },
            { lesson: "七下", word: "shake", phonetic: "[ʃeɪk]", meaning: "v摇晃", example: "" },
            { lesson: "七下", word: "shake hands", phonetic: "", meaning: "握手", example: "" },
            { lesson: "七下", word: "smile", phonetic: "[smaɪl]", meaning: "v.n微笑", example: "" },
            { lesson: "七下", word: "British", phonetic: "['brɪtɪʃ]", meaning: "adj.英国的；英国人的", example: "" },
            { lesson: "七下", word: "German", phonetic: "[ˈdʒɜːmən]", meaning: "n德国人；德国；adj.德国的；德国人的；德语的", example: "" },
            { lesson: "七下", word: "Japanese", phonetic: "[ˌdʒæpə'niːz]", meaning: "n日本人；日语；adj.日本的；日语的；日本人的", example: "" },
            { lesson: "七下", word: "Russian", phonetic: "['rʌʃən]", meaning: "n俄罗斯人；俄语；adj.俄罗斯的；俄罗斯人的；俄语的", example: "" },
            { lesson: "七下", word: "visitor", phonetic: "['vɪzɪtə]", meaning: "n游客；观光者", example: "" },
            { lesson: "七下", word: "Russia", phonetic: "[ˈrʌʃə]", meaning: "俄罗斯", example: "" },
            { lesson: "七下", word: "what", phonetic: "[wɒt]", meaning: "int什么（表示惊奇）", example: "" },
            { lesson: "七下", word: "nod", phonetic: "[nɒd]", meaning: "v点（头）", example: "" },
            { lesson: "七下", word: "head", phonetic: "[hed]", meaning: "n头；头部", example: "" },
            { lesson: "七下", word: "hug", phonetic: "[hʌg]", meaning: "v拥抱；紧抱", example: "" },
            { lesson: "七下", word: "each", phonetic: "[iːtʃ]", meaning: "pron各个；每个", example: "" },
            { lesson: "七下", word: "each other", phonetic: "[iːtʃ//'ʌðə]", meaning: "互相；彼此", example: "" },
            { lesson: "七下", word: "India", phonetic: "['ɪndɪə]", meaning: "印度", example: "" },
            { lesson: "七下", word: "together", phonetic: "[tə'geðə]", meaning: "adv.一起；共同", example: "" },
            { lesson: "七下", word: "Maori", phonetic: "/ˈmaʊri/", meaning: "adj.毛利人的", example: "" },
            { lesson: "七下", word: "touch", phonetic: "[tʌtʃ]", meaning: "v触摸；接触", example: "" },
            { lesson: "七下", word: "nose", phonetic: "[nəʊz]", meaning: "n鼻子", example: "" },
            { lesson: "七下", word: "finger", phonetic: "['fɪŋgə]", meaning: "n手指", example: "" },
            { lesson: "七下", word: "foot", phonetic: "[fʊt]", meaning: "n脚；足", example: "" },
            { lesson: "七下", word: "knee", phonetic: "[niː]", meaning: "n膝盖", example: "" },
            { lesson: "七下", word: "leg", phonetic: "[leg]", meaning: "n腿", example: "" },
            { lesson: "七下", word: "mouth", phonetic: "[maʊθ]", meaning: "n嘴；口", example: "" },
            { lesson: "七下", word: "body", phonetic: "[ˈbɒdi]", meaning: "n身体；躯干", example: "" },
            { lesson: "七下", word: "foreign", phonetic: "[ˈfɒrɪn]", meaning: "adj.外国的", example: "" },
            { lesson: "七下", word: "North American", phonetic: "", meaning: "北美人", example: "" },
            { lesson: "七下", word: "personal", phonetic: "['pɜːsənl]", meaning: "adj.个人的", example: "" },
            { lesson: "七下", word: "arm", phonetic: "[ɑːm]", meaning: "n臂；手臂", example: "" },
            { lesson: "七下", word: "arm in arm", phonetic: "", meaning: "臂挽臂地", example: "" },
            { lesson: "七下", word: "South American", phonetic: "", meaning: "南美人", example: "" },
            { lesson: "七下", word: "hold", phonetic: "[həʊld]", meaning: "v握着；使不动", example: "" },
            { lesson: "七下", word: "move", phonetic: "[muːv]", meaning: "v移动", example: "" },
            { lesson: "七下", word: "Britain", phonetic: "['brɪt(ə)n]", meaning: "不列颠；英国", example: "" },
            { lesson: "七下", word: "not at all", phonetic: "", meaning: "一点也不", example: "" },
            { lesson: "七下", word: "polite", phonetic: "[pəˈlaɪt]", meaning: "adj.礼貌的", example: "" },
            { lesson: "七下", word: "somewhere", phonetic: "['sʌmweə]", meaning: "adv.某处；某个地方", example: "" },
            { lesson: "七下", word: "wave", phonetic: "[weɪv]", meaning: "v挥（手）；招（手）；摆（手）", example: "" },
            { lesson: "七下", word: "fact", phonetic: "[fækt]", meaning: "n事实；细节", example: "" },
            { lesson: "七下", word: "in fact", phonetic: "[ɪn 'fækt]", meaning: "事实上", example: "" },
            { lesson: "七下", word: "rude", phonetic: "[ruːd]", meaning: "adj.粗鲁的；无礼的", example: "" },
            { lesson: "七下", word: "bring", phonetic: "[brɪŋ]", meaning: "v带来", example: "" },
            { lesson: "七下", word: "lively", phonetic: "['laɪvli]", meaning: "adj.活泼的；轻快的", example: "" },
            { lesson: "七下", word: "modern", phonetic: "[ˈmɒd(ə)n]", meaning: "adj.现代的", example: "" },
            { lesson: "七下", word: "noisy", phonetic: "['nɔɪzi]", meaning: "adj.吵闹的", example: "" },
            { lesson: "七下", word: "pop", phonetic: "[pɒp]", meaning: "adj.流行的；受欢迎的", example: "" },
            { lesson: "七下", word: "rock", phonetic: "[rɒk]", meaning: "n摇滚乐", example: "" },
            { lesson: "七下", word: "sound", phonetic: "[saʊnd]", meaning: "n声音", example: "" },
            { lesson: "七下", word: "violin", phonetic: "[vaɪəˈlɪn]", meaning: "n小提琴", example: "" },
            { lesson: "七下", word: "Western", phonetic: "['westən]", meaning: "adj.西方的", example: "" },
            { lesson: "七下", word: "hmm", phonetic: "[m]", meaning: "int嗯", example: "" },
            { lesson: "七下", word: "by", phonetic: "[baɪ]", meaning: "prep.由……创作；被；由", example: "" },
            { lesson: "七下", word: "through", phonetic: "[θruː]", meaning: "prep.穿过", example: "" },
            { lesson: "七下", word: "both", phonetic: "[bəʊθ]", meaning: "pron两个，两者", example: "" },
            { lesson: "七下", word: "opera", phonetic: "[ˈɒpərə]", meaning: "n歌剧", example: "" },
            { lesson: "七下", word: "voice", phonetic: "[vɔɪs]", meaning: "n声音", example: "" },
            { lesson: "七下", word: "drum", phonetic: "[drʌm]", meaning: "n鼓", example: "" },
            { lesson: "七下", word: "believe", phonetic: "[bɪ'liːv]", meaning: "v相信", example: "" },
            { lesson: "七下", word: "musician", phonetic: "[mjuːˈzɪʃ(ə)n]", meaning: "n乐手；音乐家", example: "" },
            { lesson: "七下", word: "centre", phonetic: "[ˈsentə]", meaning: "n中心", example: "" },
            { lesson: "七下", word: "European", phonetic: "[jʊərəˈpiːən]", meaning: "adj.欧洲的", example: "" },
            { lesson: "七下", word: "classical", phonetic: "[ˈklæsɪk(ə)l]", meaning: "adj.经典的；古典的", example: "" },
            { lesson: "七下", word: "century", phonetic: "['sentʃʊri]", meaning: "n世纪", example: "" },
            { lesson: "七下", word: "composer", phonetic: "[kəmˈpəʊzə]", meaning: "n作曲家", example: "" },
            { lesson: "七下", word: "elder", phonetic: "[ˈeldə]", meaning: "adj.年长的", example: "" },
            { lesson: "七下", word: "waltz", phonetic: "[wɔːlts]", meaning: "n华尔兹舞（曲）", example: "" },
            { lesson: "七下", word: "dance music", phonetic: "", meaning: "舞曲", example: "" },
            { lesson: "七下", word: "another", phonetic: "[ə'nʌðə]", meaning: "pron有一个；再一个", example: "" },
            { lesson: "七下", word: "piece", phonetic: "[piːs]", meaning: "n（写作、音乐或艺术的）作品", example: "" },
            { lesson: "七下", word: "poor", phonetic: "[pʊə]", meaning: "adj.贫穷的", example: "" },
            { lesson: "七下", word: "perfect", phonetic: "/ˈpɜːfɪkt/", meaning: "adj.完美的", example: "" },
            { lesson: "七下", word: "sad", phonetic: "[sæd]", meaning: "adj.令人悲伤的；令人难过的", example: "" },
            { lesson: "七下", word: "slow", phonetic: "[sləʊ]", meaning: "adj.慢的", example: "" },
            { lesson: "七下", word: "feel", phonetic: "[fiːl]", meaning: "v感觉；觉得", example: "" },
            { lesson: "七下", word: "ship", phonetic: "[ʃɪp]", meaning: "n船", example: "" }
        ];

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        const learningProgress = document.getElementById('learning-progress');
        const cardNumber = document.getElementById('card-number');
        const cardNumberBack = document.getElementById('card-number-back');
        
        // 初始化
        function init() {
            totalWordsElement.textContent = words.length;
            updateStats();
            loadWord(currentIndex);
            
            // 标记当前单词为已学习
            if (!reviewed.includes(currentIndex)) {
                reviewed.push(currentIndex);
                localStorage.setItem('reviewed', JSON.stringify(reviewed));
                updateStats();
            }
            
            // 事件监听器
            flashcard.addEventListener('click', flipCard);
            flipBtn.addEventListener('click', flipCard);
            nextBtn.addEventListener('click', nextWord);
            prevBtn.addEventListener('click', prevWord);
            randomBtn.addEventListener('click', randomWord);
            favoriteBtn.addEventListener('click', toggleFavorite);
            soundBtn.addEventListener('click', playSound);
            favoritesModalBtn.addEventListener('click', openFavoritesModal);
            closeModal.addEventListener('click', closeFavoritesModal);
            
            // 点击模态框外部关闭
            window.addEventListener('click', (event) => {
                if (event.target === favoritesModal) {
                    closeFavoritesModal();
                }
            });
            
            // 键盘控制
            document.addEventListener('keydown', (event) => {
                switch(event.key) {
                    case 'ArrowLeft':
                        prevWord();
                        break;
                    case 'ArrowRight':
                        nextWord();
                        break;
                    case ' ':
                    case 'Enter':
                        event.preventDefault();
                        flipCard();
                        break;
                    case 'r':
                    case 'R':
                        randomWord();
                        break;
                    case 'f':
                    case 'F':
                        toggleFavorite();
                        break;
                }
            });
        }
        
        // 加载单词
        function loadWord(index) {
            const word = words[index];
            
            wordFront.textContent = word.word;
            wordBack.textContent = word.word;
            phoneticFront.textContent = word.phonetic;
            phoneticBack.textContent = word.phonetic;
            meaning.textContent = word.meaning;
            example.textContent = word.example || '';
            lessonTag.textContent = word.lesson;
            lessonTagBack.textContent = word.lesson;
            
            // 更新卡片编号
            cardNumber.textContent = `${index + 1} / ${words.length}`;
            cardNumberBack.textContent = `${index + 1} / ${words.length}`;
            
            // 更新收藏按钮状态
            updateFavoriteButton();
            
            // 更新进度条
            updateProgressBar();
            
            // 更新当前索引显示
            currentIndexElement.textContent = index + 1;
            
            // 标记为已学习
            if (!reviewed.includes(index)) {
                reviewed.push(index);
                localStorage.setItem('reviewed', JSON.stringify(reviewed));
                updateStats();
            }
        }
        
        // 翻转卡片
        function flipCard() {
            flashcard.classList.toggle('flipped');
        }
        
        // 下一个单词
        function nextWord() {
            currentIndex = (currentIndex + 1) % words.length;
            flashcard.classList.remove('flipped');
            loadWord(currentIndex);
        }
        
        // 上一个单词
        function prevWord() {
            currentIndex = (currentIndex - 1 + words.length) % words.length;
            flashcard.classList.remove('flipped');
            loadWord(currentIndex);
        }
        
        // 随机单词
        function randomWord() {
            let newIndex;
            do {
                newIndex = Math.floor(Math.random() * words.length);
            } while (newIndex === currentIndex && words.length > 1);
            
            currentIndex = newIndex;
            flashcard.classList.remove('flipped');
            loadWord(currentIndex);
        }
        
        // 切换收藏状态
        function toggleFavorite() {
            const index = favorites.indexOf(currentIndex);
            
            if (index === -1) {
                // 添加到收藏
                favorites.push(currentIndex);
                favoriteBtn.innerHTML = '<i class="fas fa-heart"></i>';
                favoriteBtn.classList.add('favorited');
            } else {
                // 从收藏中移除
                favorites.splice(index, 1);
                favoriteBtn.innerHTML = '<i class="far fa-heart"></i>';
                favoriteBtn.classList.remove('favorited');
            }
            
            // 保存到本地存储
            localStorage.setItem('favorites', JSON.stringify(favorites));
            updateStats();
        }
        
        // 更新收藏按钮状态
        function updateFavoriteButton() {
            if (favorites.includes(currentIndex)) {
                favoriteBtn.innerHTML = '<i class="fas fa-heart"></i>';
                favoriteBtn.classList.add('favorited');
            } else {
                favoriteBtn.innerHTML = '<i class="far fa-heart"></i>';
                favoriteBtn.classList.remove('favorited');
            }
        }
        
        // 播放发音
        function playSound() {
            const word = words[currentIndex].word;
            
            // 使用Web Speech API朗读单词
            if ('speechSynthesis' in window) {
                const utterance = new SpeechSynthesisUtterance(word);
                utterance.lang = 'en-US';
                utterance.rate = 0.8;
                
                // 尝试使用不同的语音
                const voices = speechSynthesis.getVoices();
                const englishVoice = voices.find(voice => 
                    voice.lang.includes('en') && voice.name.includes('Female')
                );
                
                if (englishVoice) {
                    utterance.voice = englishVoice;
                }
                
                speechSynthesis.speak(utterance);
            } else {
                alert('您的浏览器不支持语音合成功能，请尝试使用Chrome或Edge浏览器。');
            }
        }
        
        // 打开生词本模态框
        function openFavoritesModal() {
            favoritesModal.style.display = 'flex';
            renderFavoritesList();
        }
        
        // 关闭生词本模态框
        function closeFavoritesModal() {
            favoritesModal.style.display = 'none';
        }
        
        // 渲染生词本列表
        function renderFavoritesList() {
            if (favorites.length === 0) {
                favoritesList.innerHTML = '<div class="empty-favorites">生词本为空，点击心形按钮收藏单词</div>';
                return;
            }
            
            favoritesList.innerHTML = '';
            
            favorites.forEach(favIndex => {
                const word = words[favIndex];
                const favoriteItem = document.createElement('div');
                favoriteItem.className = 'favorite-item';
                
                favoriteItem.innerHTML = `
                    <div>
                        <div class="favorite-word">${word.word} <span class="lesson-tag" style="font-size: 0.7rem; padding: 3px 8px;">${word.lesson}</span></div>
                        <div class="favorite-meaning">${word.meaning}</div>
                        <div style="font-size: 0.9rem; color: #7f8c8d; margin-top: 5px;">${word.phonetic}</div>
                    </div>
                    <div>
                        <button class="remove-btn" data-index="${favIndex}">
                            <i class="fas fa-times"></i>
                        </button>
                    </div>
                `;
                
                favoritesList.appendChild(favoriteItem);
            });
            
            // 为移除按钮添加事件监听器
            document.querySelectorAll('.remove-btn').forEach(button => {
                button.addEventListener('click', (event) => {
                    const index = parseInt(event.currentTarget.getAttribute('data-index'));
                    removeFromFavorites(index);
                });
            });
        }
        
        // 从生词本中移除单词
        function removeFromFavorites(index) {
            const favIndex = favorites.indexOf(index);
            if (favIndex !== -1) {
                favorites.splice(favIndex, 1);
                localStorage.setItem('favorites', JSON.stringify(favorites));
                updateStats();
                renderFavoritesList();
                
                // 如果当前显示的单词是刚刚移除的，更新收藏按钮状态
                if (currentIndex === index) {
                    updateFavoriteButton();
                }
            }
        }
        
        // 更新统计信息
        function updateStats() {
            favoritesCountElement.textContent = favorites.length;
            reviewedCountElement.textContent = reviewed.length;
        }
        
        // 更新进度条
        function updateProgressBar() {
            const progress = ((currentIndex + 1) / words.length) * 100;
            learningProgress.style.width = `${progress}%`;
        }
        
        // 初始化应用
        window.onload = init;
    </script>
</body>
</html>