unpatentedWiktionary 原文英美unpatented1词源 1构词拆解unun-前缀patentedpatented词干un-(added to adjectives or past participles) not · (added to nouns) lack of词源说明From un- + patented.释义形容词adjective1Not patented.unpatented2词源 2释义动词verb1simple past and past participle of unpatent