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n.加倍，成双；v.把…对折，折叠( double的现在分词 )；是…的两倍；（使）加倍；兼任 英英释义： doubling[ 'dʌbliŋ ]n.increase by a factor of two"doubling with a computer took no time at all"raising the stakes in a card game by a factor of 2同义词：double
