Attendance at evening prayers is not compulsory.参加晚祷并非硬性规定。
I think it is compulsory.我认为这是非做不可的。
Is English a compulsory subject?英语是必修科目吗?
Is military service compulsory in your country?你们国家实行义务兵役制吗?
详细解释
com.pul.so.ry adj.(形容词)Obligatory; required:必修的:义务的;要求的:例句:a compulsory examination.必要的考试 Employing or exerting compulsion; coercive.强制的:使用或施加压力的;强迫的n.(名词)【复数】com.pul.so.ries【体育运动】 A school figure. Often used in the plural.义务教育:义务教育的年限。一般用作复数 【引伸】 compul.sorily adv.(副词)compul.soriness n.(名词)