Hercynin
[化] 组氨酸三甲基内盐
🗣️ 情景例句
You will only have to pay another ten cents and a nickle for your child.
你只需另外再付10美分，而你的孩子只要再付5美分。
How often did I tell you not to slam the door?
我告诉你多少次不要砰然关门?
No,you mustn't eat anything until you see the doctor.
不行，看医生之前你不可以吃任何东西。