音标:['ki:ti:n] ;
n. [化] 乙烯酮, 烯酮

ketene的用法和样例:

例句

用作名词(n.)
  1. A method of the synthesis of chloroacethyl chloride from ketene and chlorine in a solvent is introduced.介绍了乙烯酮与氯气在溶剂中合成氯乙酰氯的方法。

词汇搭配

  • ketene dimer乙烯酮二聚物...
  • ketene process乙烯酮法
  • butyl ethyl ketene丁基乙基(乙)烯酮...
  • diphenyl ketene二苯乙烯酮
  • ketene acetylation乙烯酮法乙酰化...

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发表于:2018-12-13 / 阅读(196) / 评论(0) 分类 新目标初中英语七年级

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发表于:2018-12-13 / 阅读(136) / 评论(0) 分类 新目标初中英语八年级上

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发表于:2018-12-13 / 阅读(158) / 评论(0) 分类 新目标初中英语八年级上

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发表于:2019-01-16 / 阅读(210) / 评论(0) 分类 新目标初中英语九年级(全一册)

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发表于:2019-01-16 / 阅读(193) / 评论(0) 分类 新目标初中英语九年级(全一册)

Grammar Girl here. Today's topic is units of measurethose words and symbols that come after numbers. This first point might seem self-evident: you put a space between the number and the unit of measure. Even though it seems obvious, I'm telling you b

发表于:2019-01-30 / 阅读(51) / 评论(0) 分类 英语语法 Grammar Girl
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