Carbox-
羧基
🗣️ 情景例句
which we made clear at the beginning of the negotiation.
关于这一点，我们早在开始谈判时期就讲明了。
Let me tell you the whole story.
让我告诉你整个来龙去脉。
Shall we go to the park?
我们去公园玩好吗？