Valva
[医] 瓣, 瓣膜
🗣️ 情景例句
Thank you. I'll make out the contract for you to sign tomorrow.
谢谢。我将起草合同，明天就签。
Where were we?
我们刚才说到？
I don't know if I'll have the patience.
我不知道我有没有耐心。