1. check in
   v.登记,报到
   

1. Please check in not later than 10:20 a.m.
   办理登机手续请不要迟于上午十点二十分。
2. He has just checked in at the hotel.
   他刚刚在旅馆办好住宿手续。
3. Wait a minute - I'll just check in my diary.
   等一下--我得查一下我的日记。
4. The couple went to check in at the front desk.
   夫妻到前方柜台登记住入旅馆。
5. I'm going to buy a ticket and check in.
   我要去买张机票顺便就走了。

　1个名词解释