Concavoconvex
[医] 凹凸的
🗣️ 情景例句
It was nice meeting you all.
很高兴见到你们一家人。
Drunken days have all their tomorrows.
今日花天酒地，明日潦倒穷途。
There will only be standing room left for us next century!
到下个世纪我们就只有立足之地了。