reagent
🇺🇸
/riˈeɪdʒənt/
🇬🇧
/riˈeɪdʒənt/
noun
R
A substance used to test or cause a chemical reaction, often to identify another substance.
The chemist added a few drops of reagent to the mixture to see if it would change color.
化学家向混合物中滴入几滴试剂，以观察其是否会改变颜色。
translation
试剂
词形变化
Plural
reagents