unfasten

US [ʌnˈfæs(ə)n]
UK [ʌnˈfɑːs(ə)n]
  • v.解开;松开;打开
  • Web放松;同本义;解开v
Simple Present:unfastens  Present Participle:unfastening  Past Tense:unfastened  
unfasten
v.
1.
~ sth
解开;松开;打开to undo sth that is fastened
to unfasten a belt/button, etc.
解开皮带、纽扣等