Phynylformamide
N-甲酰基苯胺
🗣️ 情景例句
Please sit down, Mr. Mark.
请坐吧，马克先生。
Would you mind if I took a day off?
我请一天假可以吗？
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。