As the driver lets loose the clutch pedal, spring pressure increase on the clutch parts. Friction between the parts also increases.

一旦驾驶员松开离合器踏板，弹簧力就迅速作用在离合器上，摩擦力就随之增加。

youdao

To clutch its prey, this dragonfish uses sharp rows of teeth that cover even parts of its tongue.

这种龙鱼通常用一排排甚至覆盖了部分舌头的锋利的牙齿来捕获它们的猎物。

youdao

But it was previously done using a ratcheting mechanism which required heavy solid parts such as a clutch.

但以前是用棘轮机构来实现的，并且需要重而坚固的部件，比如离合器。

youdao