复数： ratchets
第三人称单数： ratchets
过去式： ratcheted
过去分词： ratcheted
现在分词： ratcheting

They have been driven by a ratchet effect .

它们是棘轮效应驱动下的产物。

The colonel is caught in a ratchet and it is tightening .

如今卡扎菲被陷在棘齿之中，而棘齿有收紧之势。

This creates a ratchet effect .

正是这种情况导致了棘轮效应。

Games a and b must be set up to copy a ratchet , which means they must have some direct interaction .

游戏a和游戏b必须设计成模仿棘轮的方式，这意味着它们必须有直接的交互作用。

Dr akeson , meanwhile , created a clever ratchet arrangement by attaching a polymerase enzyme to the ahl protein .

同时埃克森博士通过在ahl蛋白质上附着聚合酶，来创造了一种巧妙的棘轮排布。