名词
中文翻译：触媒
同义词：
['catalyst', 'mediator']
例句：
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1. The enzyme is a crucial catalyst in the chemical reaction.
酶是化学反应中的关键催化剂。
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2. The scientist used a new mediator to improve the efficiency of the process.
科学家使用了一种新媒介剂来提高过程的效率。
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3. The role of the mediator is to facilitate communication between the parties involved.
媒介的作用是促进双方的沟通。