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
What events are happening on campus?
校园里有什么事件发生？
Uh-oh, here comes my boy friend, he's insanely jealous.
噢，我男朋友过来啦，他可是个大醋坛子呦。
Economy is one powerful motive for camping, since after the initial outlay upon equipment,
图省钱是露营的一个主要动机，因为除了开始时购置或是租借一套露营装备外，