"catalyst" in Chinese (Simplified)

• 催化剂

Definition

催化剂是指能够引起变化或加快事件发生的事物或人，尤其是化学中使反应加快，或在情境中启动变化。

Usage Notes (Chinese (Simplified))

这个词在科学（化学）和比喻意义中都很常用（如“变革的催化剂”）。化学中催化剂不会被消耗。比喻时，指能推动变化但不是直接原因。日常口语较少用，多见于正式场合。

Examples

A catalyst speeds up chemical reactions without being used up.

**催化剂**能加快化学反应而自身不会被消耗。

She was the catalyst for the new project at work.

她是公司新项目的**催化剂**。

Water can act as a catalyst in some processes.

水在某些过程中可以充当**催化剂**。

His speech was the catalyst that got everyone talking about change.

他的演讲成为大家讨论变化的**催化剂**。

Social media has been a real catalyst for political movements lately.

社交媒体最近成了政治运动的**催化剂**。

Sometimes, a small event is enough to act as a catalyst for big changes.

有时候，一个小事件就足以成为巨大变化的**催化剂**。