Concavoconvex
[医] 凹凸的
🗣️ 情景例句
We're organizing an informal party, and I'd like you to come.
我们计划组织一个非正式聚会，我想请你参加。
The devil lurks behind the cross.
貌善实恶。
I don't mean it.
我不是故意的。