| 释义 |
unfasten [transitive] (rather formal) to open sth that is fastened解开；松开；打开◆passengers are permitted to unfasten their seat belts.乘客获允许解开安全带。 opp fasten → tie ➡ see also fastener → button noun 2 unfasten/ʌnˈfɑ:sn ||; ʌnˈfæsṇ/verb [t] to open sth that was fastened 解开；松开: ◇to unfasten a belt/button/chain/lock 松开皮带；解开钮扣；解下链子；开锁 [syn] undo 同义词为undo [opp] fasten 反义词为fasten☞ fasten/unfasten un·fas·ten /ˏʌn`fæsṇ; ʌnˈfɑːsn/v [t]to open the two sides of a piece of clothing, bag, belt etc 解开［衣服、袋子、带子等］，松开 ☞ unfasten |