[kəmˈpʌlsəri]
adj. 强制的,必修的,义务的
例:
compulsory contribution 派捐
compulsory execution 强迫执行
compulsory measures 强迫手段
compulsory education 义务教育
compulsory service system 义务兵役制
compulsory subjects 必修科目
Attendance at the meeting is compulsory. 会议是必须参加的。
The wearing of seat-belts is compulsory. 政府规定乘客必须扣上安全带。