- 释义：
- n. 催化剂，触媒；诱因
- 构词：
- cata下+lys裂开,分解+t→分解下去→催化[剂]
- 例句：
-
The workers'demand for better conditions was a catalyst for social change.
工人们要求改善工作条件促进了社会变革.
换一句
-
A catalyst is a substance which speeds up a chemical reaction.
催化剂是一种能加速化学反应的物质.
换一句
-
It acts as a catalyst in the process of fermentation.
它在发酵过程中起触媒的作用.
换一句