Biruet
[化] 缩二脲
🗣️ 情景例句
It turned out he was Michael's father.
原来他是麦克的父亲。
I'm afraid you will catch a cold.
我怕你会感染到感冒。
Until we are intelligent as to its laws and varieties,
直到我们理解了风俗的规律性和多样性，