catalyst
[ˈkætəlɪst]
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基本释义: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
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参考例句:
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- 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。
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