Vbi
[医][=vertebrobasilar insufficiency]脊椎基底动脉机能不全
🗣️ 情景例句
She was playing with the idea of studying abroad.
她有出国留学的念头，但并非很认真。
John stopped to study.
约翰停下来去学习。
Here's a gift for you.
这里有个礼物送给你。