Polyurea
[化] 聚脲
🗣️ 情景例句
I have no problem with that.
对这一点我没有异议。
The still sow eats up all the draff.
不声不响的猪吃光全部的饲料。
As I soon learnt, he was English himself!'
我很快了解到，他自己就是个英国人！