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| 单词 | catalyst |
| 释义 |
catalyst UK ['kæt.əl.ɪst] US ['kætˌ-] noun countable specialized ■something that makes a chemical reaction happen more quickly without itself being changed 催化剂 ■an event or person that causes great change 促成变化的人；引发变化的因素 •The high suicide rate acted as |
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