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reagent

n.反应力,反应物,试剂

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reagent为短语/超纲词汇

reagent


/ri:'eɪdʒənt; ri`edʒənt/
n (chemistry 化) substance used to cause a chemical reaction, esp to detect another substance 试药; 试剂; 反应物.

reagent


n[C]technical
[Date: 1700-1800; Language: Modern Latin;Origin: , present participle of reagere 'to react', from Latin agere 'to act']
a substance that shows that another substance in a compound exists, by causing a chemical reaction