Dmk
[医][=demethylketene]脱甲基乙烯酮
🗣️ 情景例句
Yes. Yes, sir.
是的。是的。
Pride and grace dwelt never in one place.
傲慢和温雅决不会共处在一起。
As I soon learnt, he was English himself!'
我很快了解到，他自己就是个英国人！