Reagent
[rɪ'eɪdʒ(ə)nt] or [rɪ'edʒənt]
解释:
(n.) A substance capable of producing with another a reaction, especially when employed to detect the presence of other bodies; a test.
手打:西摩
同义词及近义词：
n. (Chem.) Test.
菲力克斯校对
解释:
n. a substance that reacts on and detects the presence of other bodies: a test: one who exerts reflex influence.—n. Reā′gency.
多琳校对