Monocarboxylic
a. [化]一元羧的
🗣️ 情景例句
It is also not polite to ask people questions about politics.
另外，问一些关于政治和宗教的问题也是不礼貌的。
I really don't know.
我真不知道。
The purpose of my coming here is to inquire about possibilities of establishing trade relations with your company.
我此行的目的正是想探询与贵公司建立贸易关系的可能性。