compulsoryadj.强制的；势在必行的；义务的compulsory measuresn.强迫手段compulsory parasite强迫寄生物compulsory benefits强制性津贴compulsory mediation强制调解compulsory detention强制拘留compulsory execution强制性执行,强制执行compulsory principle强制原则compulsory evolution强制式演进compulsory standards强制性标准compulsory educationn.义务教育