attention deficit hyperactivity disorderedWiktionary 原文英美构词拆解attention deficit hyperactivity disorder词干+-ed后缀-edUsed to form past tenses of (regular) verbs. In linguistics, it is used for the base form of any past form. See -t for a variant.词源说明From attention deficit hyperactivity disorder + -ed.释义形容词adjective1(psychiatry) Having attention deficit hyperactivity disorder.