source /sɔ:s/ n.［c］ 1.源泉：the source of the Changjiang River 长江的发源地；to find the source of the engine trouble 找出发动机的故障所在 2.来源，出处：a new source of income (information) 新的收入(信息)来源；electric light sources 各种电光源；historical sources 史料