释义 |
cat.a.lystH5kAt7[l7Ist, $5kAt-n [C](specialized) something that makes a chemical reaction happen more quickly without itself being changed, or, more generally, an event or person that causes great change催化剂The spate of suicides acted as a catalyst for change in the prison system.大量的自杀事件加速了监狱系统的改革。
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