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
maybe you should think about becoming a writer.
也许你应考虑成为一名作家。
There was much news in the morning paper today.
今天的晨报上有许多新闻。
Hi, Kate. What's wrong?
哎，凯特，怎么了？