been in和been to和been at区别

2026-04-28

been in: 在 He's been in the doldrums ever since she left him. 自从她离开他以来，他一直很消沉。 been to: 去过，到过 I've never been to the States. 我从未去过美国。 been at: 在 We found out later that we had been at the same school. 后来我们才弄清楚我们是校友...