Tetramycin
四霉素
🗣️ 情景例句
I think we should move, I don't feel safe in this neighborhood anymore.
我想我们应该搬家，在这样的邻里关系中我感到不安全。
It is too late to come with the water when the house is burnt down.
马后炮。
People are always talking about 'the problem of youth'.
人们总是在谈论“青年问题”。