imperative
/ɪmˈper.ə.t̬ɪv/
名词
祈使语气动词
In the phrase "Leave him alone!", the verb "leave" is an imperative/is in the imperative.
在句子 Leave him alone! 中，动词 leave 是祈使语气动词。
极重要；紧急；迫切
Getting the unemployed back to work, said the mayor, is a moral imperative.
市长说，让失业人员重返工作岗位是一件道义上必须做的事。
/ɪmˈper.ə.t̬ɪv/
形容词
极重要的；紧急的；迫切的
It's imperative to act now before the problem gets really serious.
必须现在就采取行动，而不是等到问题变得难以收拾。
祈使语气
In the phrase "Leave him alone!", the verb "leave" is in the imperative form.
在句子 Leave him alone! 中，动词 leave 用的是祈使语气。