[dēng jì]
register; check in; enter one's name
marriage registration
结婚登记
be registered on the books
登记入册
check in at a hotel
在旅馆登记住宿
enter names in the register of the school
在学校注册簿上登记姓名
How many members have officially registered in the club?
该俱乐部正式登记的成员有多少?