1ADJ (按照规定或法律)必须履行的,强制性的 If something is obligatory, you must do it because of a rule or a law. (按照规定或法律)必须履行的,强制性的
Most women will be offered an ultrasound scan during pregnancy, although it's not obligatory.
大多数处于妊娠期的妇女将被建议接受超声波检查,不过这不是强制性的。
These rates do not include the charge for obligatory medical consultations.
这些费用不含必要的就诊费。
2ADJ [ADJ n]习惯性的;礼节性的;随大溜的 If you describe something as obligatory, you mean that it is done from habit or custom and not because the person involved has thought carefully about it or really means it. 习惯性的;礼节性的;随大溜的
His lips curved up in the obligatory smile, acknowledging the compliment.
他嘴边礼节性地挤出一个微笑,以示对称赞致谢。
She was wearing the obligatory sweater and pearl necklace.
VERBS | ADVERB | PREPOSITIONVERBS➤be具有強制性▸➤become成為必須▸➤remain保持強制性▸➤make sth使⋯具有強制性◇The college authorities have now made these classes obligatory.學院管理部門現已將這些課程列為必修課。ADVERB➤almost, practically (especially BrE) 幾乎是必須的;實際上是必須履行的◇It's almost obligatory to have a blog nowadays.如今幾乎人人都得開博客。➤morally道義上必須履行的PREPOSITION➤for對⋯有約束力◇It is obligatory for vets to be registered.獸醫必須註冊。