check-in check in有什么区别
问题描述：
check-in check in有什么区别
答
check in 动词 1.到达并登记;报到 He has just checked in at the hotel.他刚刚在旅馆办好住宿手续.2.记录 The ticket agent checked in the passengers one by one.售票员逐一登记乘客.check-in 名词 n.1.投宿...