Polyformaldehyde
聚甲醛
🗣️ 情景例句
How many are there in your family?
你们家几口人？
These clothes are too long , they need to be taken up.
这些衣服太长了需要去改一下。
Our vicar is always raising money for one cause or another,
我们教区的牧师总是为各种各样的事筹集资金。