另外，Google工具栏还有字词翻译和划词翻译的功能。“翻译网页”图标旁的下拉菜单会显示两种功能的设置，即字词翻译和划词翻译。启用字词翻译功能后，将光标悬停在一个字词上，就能查看其翻译。若启用划词翻译，当你用鼠标高亮一串单词时，会在这些文字旁出现对整串文字的翻译
用javascript写的，望采纳<!DOCTYPE html>
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<span class="en">The heaven being spread with this pallid screen and the earth with the darkest vegetation, their meeting-line at the horizon was clearly marked. </span>
<span class="cn" style="display: none">蒙住苍穹的是这片灰白的帐幕，遍布大地的是这片黑苍苍的石南植物，它们在天际处交接，呈现出一条清晰分明的界线。</span>
<span class="en">In such contrast the heath wore the appearance of an instalment of night which had taken up its place before its astronomical hour was come: darkness had to a great extent arrived hereon, while day stood distinct in the sky. </span>
<span class="cn" style="display: none">在如此鲜明的对比下，这片荒原不等夜晚按天时自然降临，便早早蒙上了一层夜色；也就是说，在大地已经显出一片黑苍苍之际，天空依然清晰可见，昼光未逝。</span>
<span class="en">Looking upwards, a furze-cutter would have been inclined to continue worklooking down, he would have decided to finish his faggot and go home. </span>
<span class="cn" style="display: none">抬头望天，一位砍荆条的人会想要继续手头的活儿，然而低头凝望，他便会决定捆好柴束，打道回府。
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