register/registration

register /ˈredʒistə/ I. n. ［c］登记，注册：keep a register of their names and addresses 登记他们的姓名和地址 Each class has a register of 40 students. 每班有40名学生注册。 ‖II. vt. & vi. 1. 登记，注册: register one’s name in the book at a hotel 在旅馆登记簿上登记姓名；register as a student at a university 在某大学注册入学 Within two weeks of arrival, all foreigners had to register with the local police.所有入境的外国人在到达后的两周内都必须到当地公安部门进行登记。2. 显示，(仪表等)自动记下: The thermometer registers 20℃. 温度计显示20℃。 3. 挂号邮寄: register a letter 寄挂号信；send money by registered post 用挂号汇钱

 registration /ˌredʒisˈtreiʃən/ n. [u] & [c] 登记，注册，挂号：a registration fee 挂号费，登记费；a car’s registration document汽车登记证；the registration of births, marriages, and deaths出生、结婚、死亡登记；Her car registration is H53 UVO.她的车牌号码是H53 UVO 。