词语HRef=https://www.qijian.info/list/jioshi/ target=_blank class=infotextkey>解释

必修课[ bì xiū kè ]

⒈  必须HRef=https://www.qijian.info/list/xuexi/ target=_blank class=infotextkey>学习的课程，HRef=https://www.qijian.info/list/biyu/ target=_blank class=infotextkey>比喻必须要做的事情。

英compulsory(required) course(subject);