Reaction substance
[医] 反应质, 作用物
🧩 词语组成解析
🗣️ 情景例句
He's going to be fine.
他不会有事了。
In college I majored in physics, What was you major?
大学时我主修物理，你主修什么呢？
He then changed into overalls and spent the next eight hours as a dustman.
然后换上工作服，当8个小时清洁工。