Carbox-
羧基
🗣️ 情景例句
I would like to introduce you to your editor.
我来介绍你认识这本书的编辑。
We'll be on time,won't we?
我们将按时到，是吗？
I have to raise some issues which may be embarrassing.
我必须提出一些比较尴尬的问题。