Subgrondation
[医] 骨嵌凹
🗣️ 情景例句
Let's congratulate ourselves that this transaction has been made.
让我们祝贺这次交易圆满成功。
The mountains have brought forth a mouse.
大山生小鼠（指：费力大而收效小）。
It's none of your business.
关你屁事！