| catalyst | |
| 级别 | 第8级 |
| 音标 | [ ˈkætəlɪst ] |
| 解释 | n.催化剂，造成变化的人或事 |
| 英英释义 | something that makes a chemical reaction happen more quickly without itself being changed |
| 发音 |  |
| 例句 |
1. 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。 2. 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。 |
