Bbg
abbr. bundle branch block 束支块
🗣️ 情景例句
What do you do when you are not working?
工作之余你有什么消遣活动？
Who cares?
谁管那么多？
I'm sorry, these 2 books are 3 days overdue.
小姐，对不起，这两本书已经过期3天了。