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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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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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“光线”的拼音为：guāng xiàn...
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村民正给高地里的玉米中耕.The villagers are laying by the corn in the upland fileld.中耕机每天工作14小时, 给玉米作最后一次中耕.The cultivator worked fourteen hours a day, laying by the corn.工程施工方面,公司拥有洒水车 、 自卸车 、 中耕机 、 草坪打孔机、修剪车等各类园林施工机械.It also has sp...
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“内障”的英语可以翻译为：[医] caligo lentis，cataract，cataracta ...
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ferrihemoglobin的音标：ferrihemoglobin的英式发音音标为：[ferɪhi:mə'gləʊbɪn]ferrihemoglobin的美式发音音标为：[ferɪhimə'gloʊbɪn]...
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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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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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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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immunomorphology的音标：immunomorphology的英式发音音标为：['ɪmjʊnəʊmɔ:fələdʒɪ]immunomorphology的美式发音音标为：['ɪmjʊnoʊmɔfələdʒɪ]...
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n.[常用复数]综合测验，专业综合考试( comprehensive的名词复数 )，综合学校，综合性中学...
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“多睡丹”的英语可以翻译为：[医] doriden，glutethimide ...
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实2p轨道的形状是两个分开的变形的椭球.The shape of a real 2 p orbital is two separated, distorted ellipsoids.但是, 有时要利用杆件在扭转时具有可观变形的能力.Sometimes, however, the ability of bars to deform appreciably in torsion is put to good use.只有该值取0.6到1之间...
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n.陶瓷塑料...