✅ 同义词
🗣️ 情景例句
He went to Canada on business.
他因公赴加拿大。
How've you been?
别来无恙？
So I don't think she's left the college. And her papers and books are all over the desk.
所以我认为她还在学校。而且她的作业和课本都放在桌子上。