1.  replace
2.  supersede
3.  displace

• 1. 取代: Replace | take the place of | in place of
• 2. 取代反应: substitution reaction | displacement reaction | reaction of substitution | substitution
• 3. 取代基: substituent | substitutional group | substituting group | substituted group

更多释义

• 1.他由弗兰克•弗雷泽少尉来取代。
  He was replaced by Lt. Frank Fraser.
  dict.yoduao.com
• 2.工厂的工人已逐渐被机器取代。
  Gradually factory workers have been displaced by machines.
  dict.yoduao.com
• 3.这一理论已为新近的研究所取代。
  The theory has been superseded by more recent research.
  dict.yoduao.com

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