Vbi
[医][=vertebrobasilar insufficiency]脊椎基底动脉机能不全
🗣️ 情景例句
I don't know how she does it.
我不知道她怎么办到的。
I asked him to lend me a book , but he wouldn't.
我请他把书借给我，但是他不肯。
Yes, please.
是的，劳驾了。