Ball's valve
[医] 鲍尔氏瓣, 莫尔加尼氏瓣
🧩 词语组成解析
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
Are you through with your work?
你工作做完了吗？
What skill! What luck! What fun!
多有本事！多么走运！多令人兴奋！
He sat in the darkness and listened to the people around him.
他坐在黑暗处，听着周围的人在讲话。