untroddenWiktionary 原文英美构词拆解unun-前缀troddentrodden词干un-(added to adjectives or past participles) not · (added to nouns) lack of词源说明From un- + trodden.释义形容词adjective1That has never been trod upon; unexplored, unspoiled.2Of a person: undefeated.同族词派生词 1untroddenness