reagent
柯林斯词典
1. N-COUNT A reagent is a substance that is used to cause a chemical reaction. Reagents are often used in order to indicate the presence of another substance. 试剂; 试药 ; 常用于测试某一成分是否存在[技术]
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reagent /riːˈeɪdʒənt/ (reagents)
剑桥词典
- a substance that acts on another in a chemical reaction
反应物；试剂，试药 返回 reagent