英语词汇catalyst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	catalyst
释义	catalyst/ˈkæt(ə)list/n. 1 Chem. a substance that, without itself undergoing any permanent chemical change, increases the rate of a reaction 【化】催化剂 2 a person or thing that precipitates a change 促进变化的人(或物) [as CATALYSIS, on the pattern of analyst]
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