Acetoform
环六亚甲基四胺, 乌洛托品
🗣️ 情景例句
Language is for the exchange of idea, for communication.
语言是用来交换思想，用来交流的。
He is indifferent to any and everything.
他对任何事都漠不关心。
I would like to ask you about some stamps.
我想问问有关一些邮票的事。