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dual.的英文翻译是什么意思，词典释义与在线翻译：
英英释义
形容词 dual:
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consisting of or involving two parts or components usually in pairs
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having more than one decidedly dissimilar aspects or qualities- R.W.Emerson-Frederick Harrison
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a grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural)
