Valvula
n. 瓣, 瓣膜\\n[医] 瓣, 瓣膜
🗣️ 情景例句
I cannot forgive myself for not seeing my mother when she was sick in bed.
母亲病的时候我没能去看她，为这件事我永远不能原谅我自己。
I don't believe he will get to the station on time.
我不相信他会准时到车站。
Do you have any comment on this clause.
你对这一条款有何看法？