unpollutedWiktionary 原文英美unpolluted1词源 1构词拆解unun-前缀pollutedpolluted词干un-(added to adjectives or past participles) not · (added to nouns) lack of词源说明From un- + polluted.释义形容词adjective1Not polluted; uncontaminated.同族词派生词 2unpollutedly·unpollutednessunpolluted2词源 2释义动词verb1simple past and past participle of unpollute