register
/ˈredʒ.ɪ.stər/
to put information, especially your name, into an official list or record
(尤指把姓名)登记，注册，记录
Within two weeks of arrival all foreigners had to register with the local police.
所有外国人在到达后两周内必须在当地警察局登记。
Students have to register for the new course by the end of April.
选修这门新课程的学生必须在4月底之前注册。
