reagent
柯林斯詞典
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. 試劑; 試葯 ; 常用於測試某一成分是否存在[技術(shù)]
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reagent /ri??e?d??nt/ (reagents)
劍橋詞典
- a substance that acts on another in a chemical reaction
反應(yīng)物；試劑，試葯 返回 reagent