Caproamide
[机] 己酸酐
🗣️ 情景例句
Good. Do you have any back or knee problems?
好。你的背部和膝关节有什么毛病吗
I'm going to tell him what to answer.
我正要告诉他应该如何回答。
What's your goal in life
你的人生目标是什么？