Pretty nice. Kind of a rugged, no-frills life form.

很不错，就是那种简朴的生命形式。

And as we decide and choose, so are our lives formed.

而当我们决定和选择时，我们的生活便得以形成。

Why is living your life as multiple life forms such a great recipe for evolutionary success?

为什么以多种生命形式生活是进化成功的一个伟大秘诀？

So ... what about finding another life form here, on Earth?

那么… … 在地球上寻找另一种生命形式怎么样？

Could Mars have supported its own primitive, aquatic life forms?

火星能支持它自己的原始水生生命形式吗？

None of the reactions that sustain any life form on earth would happen.

维持地球上任何生命形式的反应都不会发生。

This sparked the idea that life's building blocks could indeed form in Earth's early conditions.

这引发了这样的想法：生命的组成部分确实可以在地球的早期条件下形成。

The planet seems to have opened its arms to certain terranic life forms. It's not clear how.

这个星球似乎已经向某些地球生命形式张开了双臂。目前尚不清楚如何。

In February of 2017, scientists announced that new microbial life forms had been discovered in a cave in Mexico.

2017 年 2 月，科学家宣布在墨西哥的一个洞穴中发现了新的微生物生命形式。

But if Europa has water and elements like carbon and hydrogen, it could mean that microbial life once formed there or even still exists.

但如果木卫二上有水和碳、氢等元素，这可能意味着微生物曾经在此形成，甚至现在仍然存在。

After their discoveries, specialists at NASA revived the life forms, and hope to use what they learned to find potential alien worlds.

在他们的发现之后，美国宇航局的专家们复活了这些生命形式，并希望利用他们所学到的知识来寻找潜在的外星世界。

Without it, none of the chemical reactions that keep you alive would happen. None of the reactions that sustain any life form on earth would happen.

没有它，任何让你活着的化学反应都不会发生。维持地球上任何生命形式的反应都不会发生。

Ewine says based on her research, water and the other ingredients you need to form life are present at the formation of nearly all new planets.

Hall：Ewine 说，根据她的研究，水和形成生命所需的其他成分在几乎所有新行星的形成过程中都存在。

She had pictured " a fully formed professional life and a fully formed family life" . But, she says, the family life " has gone by the wayside" .

她曾经憧憬过" 完满的职业生活和完满的家庭生活" 。 但是她说，家庭生活" 早就被扔到一边去了" 。

In the next chapter I'll discuss the deep oceans that hold the vast majority  of the water on earth, their topography, their strange life forms, and how these large masses of  water influence the climate of the world overall.

在下一章中， 我将讨论拥有地球上绝大多数水的深海，它们的地形， 它们奇怪的生命形式，以及这些大量的水如何影响整个世界的气候。