v.打开；取下（卸下）螺栓

原形：unbolt第三人称单数：unbolts过去式：unbolted过去分词：unbolted现在分词：unbolting

He unbolted the door and stepped outside.
他打开门，走了出去。
She unbolted the window to let some fresh air in.
她打开了窗户让新鲜空气进来。
The mechanic unbolted the engine from the car.
机械师从汽车上拆下引擎。
I had to unbolt the lock on the gate to get into the backyard.
我不得不解开大门的锁才能进入后院。
He unbolted the safe to retrieve his important documents.
他解开了保险箱以取回他的重要文件。
We unbolted the old cabinet to move it to a new location.
我们解开旧柜子以便把它搬到新位置。
She unbolted the cage to set the bird free.
她打开笼子把鸟放了出去。
The carpenter unbolted the boards from the wall.
木匠从墙上解开木板。
It took him several minutes to unbolt the rusty lock.
他花了好几分钟才解开生锈的锁。
They unbolted the heavy machinery before attempting to move it.
他们在尝试移动重型机械之前先将其解开。