Acetoform
环六亚甲基四胺, 乌洛托品
🗣️ 情景例句
Room service. May I help you?
客房服务部，需要我为您效劳吗？
I think that should do it.
我想这样就可以了。
Uncle Wang was waiting for them outside the factory gate.
王大叔在工厂大门外等他们。