Metacetone
[化] 二乙基酮; 二乙基甲酮\\n[医] 间丙酮, 二乙基甲酮
🗣️ 情景例句
Well, let me see.
哦，让我想想。
Politeness is to do and say the kindest thing in the kindest way.
文雅就是善良地做事，和善地说话。
I grew a beard during the trip.but I shaved it off when I came home.
我在旅行时留了胡子，但我回到家时就把它刮了。