第三人称单数：unfastens
现在分词：unfastening
911查询·英语单词
过去分词：unfastened
过去式：unfastened
不及物动词fasten
1. 放松：unfashionable 不流行的 | unfasten 放松 | unfastidious 不爱挑剔的
2. 解开：unfamiliarfeature未知要素 | unfasten解开 | unfathomable深不可测的
3. 解开;放松：unfasten 解开 | unfasten 解开;放松 | unfavorable balance of trade 贸易逆差;入超
4. 松开：unfashioned /未成形的/未成形加工的/ | unfasten /松开/ | unfathered /无父母的/庶出的/作者不详的/
1. 松开；解开
If you unfasten something that is closed, tied, or held together, or if you unfasten the thing holding it, you loosen or remove the thing holding it.
e.g. When Ted was six we decided that he needed to know how to fasten and unfasten his seat belt...
特德六岁的时候，我们认为他得知道如何系上和解开安全带了。
e.g. Reaching down, he unfastened the latch on the gate...
他伸手打开了门闩。
1. She managed to unfasten the rope discreetly and fled the car when the kidnappers failed to keep close watch.
verb
1. unfasten的反义词
1. become undone or untied
e.g. The shoelaces unfastened
2. \u0064\u0061\u006E\u0063\u0069\u002E\u0039\u0031\u0031\u0063\u0068\u0061\u002E\u0063\u006F\u006D
2. cause to become undone
e.g. unfasten your belt