Ball's valves
[医] 鲍尔氏瓣, 莫尔加尼氏瓣(肛瓣)
🧩 词语组成解析
n. 阀门；真空管；瓣膜（valve的复数）
🗣️ 情景例句
then there can't be a wedding.
婚礼就不能举行了。
I don't like the way you always keep me waiting.
我不喜欢你常常让我久等。
Not too bad.I think I passed in English and Mathematics.
不算太坏，我想我的英语和数学及格了。