Valvotomy
瓣膜切开术
🗣️ 情景例句
I care.
我关心。
Fame like a river is narrowest at its source and broadest afar off.
名誉像条河，源头最狭窄，远处最宽阔。
It's true that he may fall behind the other students.
真的，他可能会落在其他同学的后面。