unfasten
v. 解开；松开
过去式：unfastened 过去分词：unfastened 现在分词：unfastening 第三人称单数：unfastens
近义词：undo，unhook，untie，unlock，detach，open，loosen，disengage，unbutton，release，uncouple，unbolt，liberate，fasten，
英英释义
Verb
- cause to become undone;
"unfasten your belt"
- become undone or untied;
"The shoelaces unfastened"
例句
用作动词(v.)
- He unfastened the buckles and took off the coat.他解开扣子，把上衣脱掉。
- You may unfasten your seat belt now.现在可以松开您的安全带了。