Concavoconvex
[医] 凹凸的
🗣️ 情景例句
Hey, what did you do on your trip?
嗨，旅游时玩的怎么样？
How ofter did I tell you to sit straight?
我告诉你多少次要坐正?
What he likes best is making jokes.
他最喜欢开玩笑。