discolorationWiktionary 原文中文来自 ECDICTn.变色，污染构词拆分discolor词根/词干+-ation后缀An action or process. · The result of an action or process.词源说明From discolor + -ation.释义（英文）名词 NounThe act of discoloring, or the state of being discolored; an alteration of hue or appearance.A discolored spot; a stain.