Valva
[医] 瓣, 瓣膜
🗣️ 情景例句
I can believe that. One good thing about ping pong is that it doesn't need much space.
我几乎不敢相信。乒乓球最大的好处是不占地方。
I hope you'll be well soon.
我希望你不久将好。
He never has anything to do.
他从来都是无事可做，