Can you unfasten the lock catch of a box?(你能解开箱子的锁扣吗？)
Please unfasten you jacket and shirt and let me examine your heart and chest…(请解开你上衣和衬衫的纽扣，我来听听你的心肺。)
Please unfasten your safety belt now.(现在请解开安全带。)
Unfasten the R. A. clamp and turn the telescope around the polar axis to set the observing date on the date graduation ring to the observing time on the R. A. and hour graduation ring.(松开赤经制动钮并使望远镜围绕极轴旋转用以设置日期刻度盘上的观测日期对准赤经兼小时刻度盘上的观测时点。)
When Ted was six we decided that he needed to know how to fasten and unfasten his seat belt.(泰德六岁时，我们决定让他知道怎样系和解他的安全带。)
You can unfasten your seat belt now.(现在您可以松掉安全带了。)
Please unfasten your jacket and shirt and let me examine your heart and chest.(请解开上衣和衬衫，我来听听你的心肺。)
And man and woman had to unfasten their belts.(男人女人不得不放松他们的裤腰带。)
To release, loose, or unfasten.(放松，松开，解开。)
Do not unfasten the seatbelt before the plane stops completely.(在飞机纯粹停止前，不要松开安全带。)
