从那以后，人们又发现了许多其他的例子；因此，“进化几乎是不可逆的”这一说法就不再有意义了。

Since then, so many other examples have been discovered that it no longer makes sense to say that evolution is as good as irreversible.

youdao

你也不能让它变得更好，因为化学物质一旦发生变化，是不可逆的。

You can't make it better, either, because once chemicals change, they can't be changed back again.

youdao

相比之下，最近的世界粮食价格上涨是由趋势造成的，除非趋势本身得以逆转，否则这种上涨是不可逆的。

In contrast, the recent surge in world grain prices is trend-driven, making it unlikely to reverse without a reversal in the trends themselves.

youdao

it becomes a gray area but it should be pretty clear if you can treat something is reversible are irreversible.

这是个灰色区域,但什么可以当作可逆过程处理,而什么要当作不可逆过程,这是相当清楚的。

麻省理工公开课 - 热力学与动力学课程节选

I mean we can, we can sort of understand why OK, the total energy, if we measure it, we measure a process which is not reversible.

例如我们易于理解为什么，当试图测量一个不可逆系统的总能量，给出的或许。

麻省理工公开课 - 热力学与动力学课程节选

Now,that thing that wakes up after this complete irreversible amnesia will no doubt eventually develop a personality,a set of beliefs,memories.

这人在经历了完全不可逆的失忆后醒来,最终发展出了自己的人格，信念和记忆。

耶鲁公开课 - 死亡课程节选