cat.a.lyst
catalyst的音标和读音:
DJ音标发音: [ˈkætlist]
KK音标发音: [ˈkætlɪst]
catalyst的词性:
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
catalyst的词源:
3. From catalysis
源自 catalysis
catalyst, ferment, leaven, leavening, yeast
4. 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”:
a serious breach of trust that was the catalyst for the divorce;
成为离婚催化剂的一次严重的背信行为;
love, the most powerful ferment;
爱,最有力的改变媒介;
the leaven of reform working in their minds;
变革的媒介在他们的头脑中运作;
a leavening of humor;
幽默的发酵剂;
the yeast of revolution.
引发革命的介质