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catalyst

资料来源 : pyDict

触媒剂

资料来源 : WordNet®

catalyst
     n 1: (chemistry) a substance that initiates or accelerates a
          chemical reaction without itself being affected [syn: {accelerator}]
          [ant: {anticatalyst}]
     2: something that causes an important event to happen; "the
        invasion acted as a catalyst to unite the country"
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