According to a theory called Muller's ratchet, that's not good.

勒棘轮效应，这不是好事。

And like turns of a ratchet, these mutations will accumulate until the species eventually becomes extinct.

就像棘轮转动一样，这些突变会累积，直到种最终灭绝。

I like to do offset like the fangs, like these right here, because the energy of that is it's like, is he ratchet?

我喜欢像尖牙一样抵消，就像这里的这些，因为它的能量就像，他是棘轮吗？

At one point, he was rigged to a ratchet and pulled backwards into the wall of the bridge, then soaked with thousands of gallons of water.

有一次，他被绑在棘轮上，向后拉入桥壁，然后数千加仑的水浸泡。

The 1000 XM4s had some metal on their ratcheting ear cup sliders but everything you can see or touch on the 1000 XM5s is all plastic.

1000 XM4 的棘轮耳罩滑块上有一些金属，但您在 1000 XM5 上看到或触摸到的所​​有东西都是塑料的。

Peter M. Hoffmann, Life's Ratchet: How Molecular Machines Extract Order from Chaos (2012) I distinctly remember the first class on my first day of medical school.

彼得·M·霍夫曼，《生命之棘轮：分子机器如何从混沌中提取秩序》（2012年）我清楚地记得我在医学院第一天上的第一堂课。

My house growing up, we had a hot tub, basically like in the back of the kitchen, like it's literally in the side of the kitchen, it's ratchet.

- 在我的房子里， 我们有一个热水浴缸，基本上就像在厨房的后面，就像它实际上在厨房的一侧，它是棘轮的。

To explain why, let's go over two concepts: Muller's ratchet and the Red Queen Hypothesis. Suppose there is a species of animal that has some type of deleterious, or harmful, mutation.

为了解释原因，让我们回顾一下两个概念：勒棘轮和红皇后假说。假设有一种动具有某种有害或有害的突变。

It says that Australia and Indonesia have the same carbon reduction targets they did back in 2015 - while the Paris Agreement is meant to involve a " ratchet mechanism" of progressively deeper cuts.

它表示，澳大利亚和印度尼西亚的碳减排目标与他们在 2015 年所做的相同——而《巴黎协定》旨在涉及一个逐步深入减排的“棘轮机制”。