Propetamide
丙培他胺
🗣️ 情景例句
This is a good deal: buy 1, get 1 free.
这可是个好买卖：买一送一。
Did you have fun?
你玩得开心吗？
We're ready! she said. Where is everyone?
“我们都准备好了！”她说，“人都到哪儿去了？”