authority

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【词性】：n．

【释义】：

❶ 权力〔He learned to respect the authority of his teachers．他懂得尊敬老师的权力。

〕
❷ 当局，官方〔The authorities are searching for the missing child．官方正在寻找丢失的小孩。〕
❸ 权威〔Years of study made Dr．Hall an authority on tropical diseases．多年的研究使霍尔博士成了热带疾病的权威。〕