Valva
[医] 瓣, 瓣膜
🗣️ 情景例句
By all means, you ahead.
当然可以。随便。
Wisdom in the mind is better than money in the hand.
脑中有知识，胜过手中有金钱。
No, not very. You need a driving permit. Have you got one?
不，不很贵。你需要一个驾驶执照。你有没有？