英语词汇nor-怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

　

单词	nor-
释义	Definition of nor- in English: nor- prefix Chemistry Denoting an organic compound derived from another, in particular by the shortening of a chain or ring by the removal of one methylene group or by the replacement of one or more methyl side chains by hydrogen atoms. 〔化〕表示“正”，“降” noradrenaline Origin From nor(mal), originally used to refer to a compound without methyl substituents. Definition of nor- in US English: nor- prefix Chemistry Denoting an organic compound derived from another, in particular by the shortening of a chain or ring by the removal of one methylene group or by the replacement of one or more methyl side chains by hydrogen atoms. 〔化〕表示“正”，“降” norepinephrine Origin From nor(mal), originally used to refer to a compound without methyl substituents.
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英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

　

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更新时间：2024/11/10 1:04:10