必须做的; 强制性的,义务的 which must be done by law, by orders, etc.
词汇搭配
～+名词
compulsory contribution 强迫捐款
compulsory execution 强制执行
句型例句
用作定语
▲～+n. Chinese is a compulsory subject.汉语是必修课。
用作表语
▲S+be+～
Which subjects are compulsory in your school?在你们学校里,哪些课程是必修课?
Attendance at the meeting is compulsory.会议是必须参加的。
▲S+be+～+prep.-phrase
Education is compulsory for all children in Britain.英国所有的孩子都必须接受教育。
