Enzymologist
n. enzymology（酶学）的变形
🗣️ 情景例句
I'll do it.
我去。
She asked me which one I'd like, and I said I didn't mind.
她问我要哪一个，我说哪一个都没有关系。[动词时态一致，这是中国人学习英语最头痛的一个问题。]
No, it isn't! That's a cat!
不，不在！那是一只猫。