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
I don't understand.
我不懂你在讲什么。
All is not at hand that helps.
有用的东西并不都是垂手可得的。
They had mysteriously found their way there from the wine cellar!
这些酒瓶神不知鬼不觉地从酒窖来到了这里。