compulsory /kam'pAlsan; kam'pAlsan/ adj that must be done; required: 必須做的; 必修的; 規(guī)定的; 強(qiáng)迫的; 義務(wù)的： Is military service in your country? 在貴國(guó)，服兵役是義務(wù)的嗎？ Is English a ~ subject? 英語(yǔ)是必修科嗎？ compulsorily /kam'pAlsarali; kam'pAlsarali/ adv