unwrinkleWiktionary 原文构词拆分un-前缀(added to adjectives or past participles) not · (added to nouns) lack of+wrinkle词根/词干词源说明From un- + wrinkle.释义（英文）动词 Verb(transitive) To remove wrinkles from.(intransitive) To stop being wrinkly; to become flat or smooth.