理解这些层次的生命是不可能的，但是每次我们必须制定出一个互动、一个机制和方法。

Understanding life on these scales is not impossible, but we have to work it out one interaction, mechanism, and pathway at a time.

youdao

作为外星生命可能生活的家园，它被认为是最不可能有生命的星球。

As a possible home for alien life, it has been voted the planet least likely to succeed.

youdao

现代大气层支持着许多复杂的生命形式，而这些生命在地球最初的大气层中是不可能存在的，因为当时的氧气含量太低。

The modern atmosphere supports many forms of complex life that would not have been able to exist in Earth's first atmosphere because the oxygen level was too low.

youdao

There's something wrong about lives, something inauthentic about lives that are lived without facing the facts of our mortality and living accordingly, whatever the appropriate responses might be.

那种生活是有问题的，不去面对我们终有一死的事实,并相应地生活的生命是不真实的，不管合适的反应可能是什么。

耶鲁公开课 - 死亡课程节选