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n.减少；降低；[数学]约简；[摄影术]减薄 变形： 复数：reductions 双语释义：n.(名词)[C][U]减少,缩小; 减少的量,降价 making or becoming smaller; the amount taken off in reducing sth英英释义： reductionn.the act of decreasing or reducing something同义词：decreasediminutionstep-downany process in which electr
