unbuttonedWiktionary 原文/ʌnˈbʌtənd/vt.解开...的钮扣vi.解开钮扣unbutton 的变形 · 中文释义来自 ECDICTunbuttoned1词源 1释义动词verb1simple past and past participle of unbuttonunbuttoned2词源 2构词拆解unun-前缀buttonedbuttoned词干un-(added to adjectives or past participles) not · (added to nouns) lack of词源说明From un-