au·thor·i·ty

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【词性】：n．

【释义】：

❶ 权力，职权：have authority over对…有权力．Who gave you authority to do this?谁授权给你做这件事?❷ 权威，权威者·an academic authority学术权威．Scientific work must not be monopolized by a few specialists or authorities．科学工作不应由少数专家和权威所垄断．❸ 根据，凭据：seek an authority in Chairman Mao’s writings在毛主席著作中找根据．

on the authority of a book根据某书．❹ (常pl．)当局：the local authorities地方当局．the school authorities学校当局．