| [/ˈkætəlɪst; ˋkætlɪst/] n 用法:
1 substance that speeds up a chemical reaction without itself changing 催化剂; 触媒剂. 用法:
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. |