JanusianWiktionary 原文英美构词拆解JanusJanus词干ian-ian后缀-ian(as an adjective) From, related to, or like. · (as a noun) One from, belonging to, relating to, or like.词源说明From Janus + -ian.释义形容词adjective1Relating to Janus.2Having or relating to the ability to conceive and use multiple antithetical or opposite thoughts simultaneously.3Being two-faced or duplicitous, akin to the Roman God with his two faces.