unbuttonWiktionary 原文/ʌnˈbʌtən/vt.解开...的钮扣vi.解开钮扣中文释义来自 ECDICT构词拆解unun-前缀buttonbutton词干un-(added to adjectives or past participles) not · (added to nouns) lack of词源链中古英语Middle English约 1150–1500 年onbottonen↓ 继承英语Englishunbutton词源说明From Middle English onbottonen, unbotonen; equivalent to un- + button.释义动词verb1ambitransitiveTo open (something) by undoing its buttons.2intransitive, ergativeTo come open by having its buttons unfastened.同族词派生词 1unbuttonable相关词 1unbuttoned