Dmf
[化] 二甲基甲酰胺
🗣️ 情景例句
No, thanks.
不用了， 谢谢。
I started school at the age of 6.
我六岁开始上学。
It's quite a nice horse! But please don't play with my chalk.
这匹马相当好看！但请不要玩我的粉笔。