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在这些化合物里, 环戊二烯环只有4个氢.In there compounds, the cyclopentadiene ring has only four hydrogens.聚二烯基本分子结构是一良好的燃烧剂.The polydiene basic molecular structure is an excellent fuel.所加的反应物可以是二烯烃 、 环二烯烃.The feed reactants can be alkadi...
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n.陶瓷塑料...
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“内障”的英语可以翻译为：[医] caligo lentis，cataract，cataracta ...
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After a few days, small like and tried flounce chains.过了几天, 小象又试着想挣脱铁链.She flounce flounced out of the room, swearing loudly.她大声地骂着离开了房间.She will flounce and argue when asked to leave the room.要是让她离开房间，她会暴跳如雷，吵闹不休。" Perm...
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“多睡丹”的英语可以翻译为：[医] doriden，glutethimide ...
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But now the fish are moving north the Great Lakes.但现在这些鲤鱼正北上游向大湖区.The Great Lakes are the great wonder of Middle America.五大湖是中美洲最大的自然景观.C. All the Great Lakes are dead.听下面一段对话,回答 第9 至第11三个小题....
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etna的音标：etna的英式发音音标为：['etnə]etna的美式发音音标为：['etnə]...
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intrusive的音标：intrusive的英式发音音标为：[ɪn'tru:sɪv]intrusive的美式发音音标为：[ɪn'trusɪv, -zɪv]...
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麦克莱斯菲尔德...
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“光线”的拼音为：guāng xiàn...
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蝶形螺母...
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...the introduction of legislation to compel cyclists to wear a helmet...强制骑自行车者戴头盔的法律的出台The arguments are founded on facts and compel conviction.这些论点以事实为根据,令人不得不信服.Do you think you can compel obedience from me?你以为你能逼我服从...
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disinfector的音标：disinfector的英式发音音标为：[ˌdɪsɪn'fektə]disinfector的美式发音音标为：[ˌdɪsɪn'fektə]...
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“鱼雷”的英语可以翻译为：[军] torpedo，[美俚] fish，tin fish，fish torpedo ...