| 单词 | catalyst |
| 释义 | catalyst n 1 substance that speeds up a chemical reaction without itself changing 催化剂; 触媒剂. 2 (fig 比喻) person or thing that causes a change 促使变化的人或事物 The offer of a new job provided just the catalyst she needed. 这份新工作正是她所需要转变的契机. |
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