ruminationn. 反芻、沉思、默想反嚼學術名詞反芻作用:畜牧學、動物學、獸醫學反芻思考:心理學芻思:心理學英文釋義a calm, lengthy, intent consideration(of ruminants) chewing (the cud)regurgitation of small amounts of food; seen in some infants after feeding