compulsory

英 [k?m'p?ls(?)r?] 美[k?m'p?ls?ri]
  • adj. 義務(wù)的；必修的；被強(qiáng)制的
  • n. （花樣滑冰、競(jìng)技體操等的）規(guī)定動(dòng)作

英英釋意

1. required by rule;
"in most schools physical education are compulsory"
"attendance is mandatory"
"required reading"