unfastens的中文翻译是什么意思

VERB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.

• 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。

• Reaching down, he unfastened the latch on the gate...

  他伸手打开了门闩。