Malcombustion
不正常燃烧
🗣️ 情景例句
on the school board,
在联合校董会中
Apothecaries would not sugar their pills unless they were bitter.
好药不苦不会加糖衣。
I did not know the way to my hotel, so I asked a porter.
我不知道去饭店的路该怎么走，于是向一个搬运工打听。