Amides
[医]酰胺（类）, 氨化物
🗣️ 情景例句
I had never been there before.
我以前从来没有去过那里 。
Sport is sweetest when there be no spectators.
旁边无观众，运动最轻松。
What are you doing, Mum?
妈妈，你在干什么？