imperativeKK [ˏɪmˋpɛrətɪv] /ˌɪmˈpɛɹətɪv/發音形容詞1必要的、迫切的、勢在必行的正式It is imperative that we reduce waste in every department.我們必須減少每個部門的浪費。2命令式的、威嚴的She spoke in an imperative tone that no one dared question.她以命令的語氣說話,沒人敢質疑。3祈使的、命令語氣的語言學In this sentence the verb appears in the imperative form.在這個句子裡,動詞是以祈使形式出現。名詞1當務之急、必要之事正式Cutting carbon emissions is now a moral imperative.減少碳排放如今是道德上的當務之急。2祈使句、祈使語氣語言學The teacher asked us to rewrite each request as an imperative.老師要我們把每個請求改寫成祈使句。