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<body>
  <div class="flip3D">
    <div class="back"><h3>dumplings</h3></div>
    <div class="front"><div class="chinese"><h1>饺子</h1></div><div class="pinyin"><h3>jiǎo&thinsp;zi</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>cooked rice</h3></div>
    <div class="front"><div class="chinese"><h1>米饭</h1></div><div class="pinyin"><h3>mǐ&thinsp;fàn</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>cheese</h3></div>
    <div class="front"><div class="chinese"><h1>奶酪</h1></div><div class="pinyin"><h3>nái&thinsp;lào</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>bread</h3></div>
    <div class="front"><div class="chinese"><h1>面包</h1></div><div class="pinyin"><h3>miàn&thinsp;bāo</h3></div></div>
  </div>

  <div class="flip3D">
    <div class="back"><h3>hamburger</h3></div>
    <div class="front"><div class="chinese_long"><h1>汉堡包</h1></div><div class="pinyin_long"><h3>hàn&thinsp;bǎo&thinsp;bāo</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>ham</h3></div>
    <div class="front"><div class="chinese"><h1>火腿</h1></div><div class="pinyin"><h3>huǒ&thinsp;tuǐ</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>fried rice</h3></div>
    <div class="front"><div class="chinese"><h1>炒饭</h1></div><div class="pinyin"><h3>chǎo&thinsp;fàn</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>egg</h3></div>
    <div class="front"><div class="chinese"><h1>鸡蛋</h1></div><div class="pinyin"><h3>jī&thinsp;dàn</h3></div></div>
  </div>

  <div class="flip3D">
    <div class="back"><h3>sausage</h3></div>
    <div class="front"><div class="chinese"><h1>香肠</h1></div><div class="pinyin"><h3>xiāng&thinsp;cháng</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>salad</h3></div>
    <div class="front"><div class="chinese"><h1>色拉</h1></div><div class="pinyin"><h3>sè&thinsp;lā</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>pizza</h3></div>
    <div class="front"><div class="chinese"><h1>比萨</h1></div><div class="pinyin"><h3>bǐ&thinsp;sà</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>meat</h3></div>
    <div class="front"><div class="chinese"><h1>肉</h1></div><div class="pinyin"><h3>ròu</h3></div></div>
  </div>

  <div class="flip3D">
    <div class="back"><h3>soup</h3></div>
    <div class="front"><div class="chinese"><h1>汤</h1></div><div class="pinyin"><h3>tāng</h3></div></div>
  </div>

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