| 单词 | catalyst |
| 释义 | catalystn. 触媒, 接触剂, 催化剂, 刺激因素, 促进因素【计】 催化剂【化】 催化剂【医】 催化剂 catalyst cat.a.lyst AHD: [k²t“l-¹st] D.J. [6k#tl!st]K.K. [6k#tl!st]n.（名词）1. Chemistry A substance, usually used in small amounts relative to the reactants, that modifies and increases the rate of a reaction without being consumed in the process.【化学】 催化剂：一种与反应物相关、通常以小剂量使用的物质，用来改变和加快反应速度，而自身在反应过程中不被消耗2. One that precipitates a process or event, especially without being involved in or changed by the consequences.触媒：加速一个过程或事件的进度，但自身并未卷入或不被其后果改变的物质语源:From catalysis 源自 catalysis参考词汇:1. catalyst,ferment,leaven,leavening,yeast2. The central meaning shared by these nouns is “an agent that stimulates or precipitates a reaction, development, or change”: 这些名词共有的中心意思是“剌激或加速反应、发展或变化速度的动因”： the yeast of revolution. 引发革命的介质 |
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