adjective🔗Share必须的，强制性的。 Imposing obligation, legally, morally, or otherwise; binding; mandatory."an obligatory promise"一个必须履行的承诺。morallawChat with AIVocabulary GamePractice Reading
adjective🔗Share必须的，强制性的 Requiring a matter or obligation."Attendance at the safety training is obligatory for all new employees. "所有新员工都必须参加安全培训。morallawvalueChat with AIVocabulary GamePractice Reading
