ur-continentWiktionary 原文构词拆分ur-前缀Forming words with the sense of “proto-, primitive, original”.+continent词根/词干演变路径（由近及远）英语借自 ←德语 Urkontinent词源说明Borrowed from German Urkontinent, coined by Alfred Wegener, equivalent to ur- + continent.释义（英文）名词 NounAn original or primordial continent or landmass.Pangaea