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词汇 catalyst
释义

catalyst

noun
/ˈkætəlɪst/
/ˈkætəlɪst/
  1. (chemistry化学) a substance that makes a chemical reaction happen faster without being changed itself催化剂
    • Chlorine will act as a catalyst.氯会起到催化剂的作用。
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    Topics Physics and chemistryc2
  2. catalyst (for something) a person or thing that causes a change促使变化的人;引发变化的因素
    • I see my role as being a catalyst for change.我认为我的角色是促成变革。
    • The riots were later seen as the catalyst for the new political developments.这些骚乱后来被视为新的政治发展的催化剂。
  3. 词源early 20th cent.: from catalysis, ‘the acceleration of a chemical reaction by a catalyst’, on the pattern of analyst.
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