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n.杜洛克猪（美国于19 世纪培育的一种脂肪型大红猪）； 英英释义： DurocDuroc pig is an older breed of American domestic pig that forms the basis for many mixed-breed commercial hogs. Duroc pigs are red, large-framed, medium length, and muscular, with partially drooping ears, and tend t
