第三人称单数： unties
过去式： untied
过去分词： untied
现在分词： untying

He handed one of the shoes to his father : " untie it ! "

他把一个鞋子递给爸爸，说，“替我把鞋带解开！”

' Please untie my shoe , ' says the child in an identical tone as before .

“请解下鞋带”，孩子同之前一样仍然语调平平地说。

The skeletal tree limbs , submerged in lake volta , often catch the fishing nets . And wary frightened children are thrown into the water to untie the lines .

湖上嶙峋的树枝常常缠住渔网，他们把精疲力尽，惊恐万分的孩子扔进湖里去解开缠住的网。

Those looking on the bright side will also hope that a fall in the oil price will untie the hands of central bankers , allowing them to postpone the rate rises they may be contemplating to fight inflation .

那些乐观者将还希望油价下跌会使央行对经济松绑，允许其延迟他们可能为对抗通涨而采取的加息。

Pulling disentangles these convolutions , he says . When there are no more knots to untie , the proteins reconfigure into tough structures called beta-sheet nanocrystals .

他说，拉伸这些回旋结，直到再没有结可以松开，蛋白质会重新变成坚韧的结构，这种结构叫做β-折叠纳米晶体。