Mercier's valves
[医] 梅尔西埃氏瓣(输尿管襞)
🧩 词语组成解析
n. 阀门；真空管；瓣膜（valve的复数）
🗣️ 情景例句
What's this about, Harvey?
这是怎么回事 Harvey
No man (or one) is wise at all times.
聪明一世糊涂一时。
He took off the first shoe and threw it on the floor.
他脱下第一只鞋子，把它丢在地板上。