authoritative的英语例句
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The first authoritative study of polio was published in 1840.
关于小儿麻痹症的第一篇权威性研究报告发表于1840年。
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He has a commanding presence and deep, authoritative voice.
他仪态威严,声音低沉,说话有威信。
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"Very well," I said, adopting a crisp authoritative tone.
“很好,”我用干脆的命令性的语气说道。
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