Bppv
[医][=benign paroxysmal positional vertigo]良性阵发性体位性眩晕
🗣️ 情景例句
How do I do that?
我该办什么手续呢？
The contract will be sent to you by air mail for your signature.
合同会航邮给你们签字。
I don't know. sir.
我不知道，先生。