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
I'm extremely sorry for the delay.
对此延误，我深感抱歉。
Feed sparingly and defy the physician.
饮食有节，医生绝迹。
Her husband had built up a large business during his lifetime, and when he died ten years ago in 1989 he left all his money to his wife.
她的丈夫一生中逐步建立起一家大商行，而当他10年前即于1985年去世后，他把全部财产留给了他的妻子。"