check over
检查过
check out
付帐后离开
check in
（旅馆、飞机等）登记；报到
Passengers must check in at the airport an hour before the plane leaves.
旅客们必须在飞机起飞前一小时到机场办理登机手续.
check off
核对
check over和cheak out有什么区别啊
check over
检查过
check out
付帐后离开
check in
（旅馆、飞机等）登记；报到
Passengers must check in at the airport an hour before the plane leaves.
旅客们必须在飞机起飞前一小时到机场办理登机手续.
check off
核对