查询结果:

adj. 强制的,必修的,义务的

拆分: com-共同 + -puls-推动 + -ory形容词词尾 

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。