It's the harshest environment on the planet, cold, dry, and barren.

这是地球上最严酷的环境，寒冷、干燥、贫瘠。

Not many organisms can survive in this harsh environment.

没有多少生物能在这种恶劣的环境中生存。

Expensive roads have been built across even harsher environments before.

以前，在更恶劣的环境中也修建过昂贵的道路。

They survive even thrive in some of the harshest environments.

它们能在最恶劣的环境中生存甚至茁壮成长。

They are a reminder of the long human history in this harsh environment.

它们是人类在这个恶劣的环境中悠久历史的见证。

They're highly experience in the harsh and dangerous environment of Everest.

他们在珠峰严酷而危险的环境中有着丰富的经验。

He called it “a harsh environment, ” with only a small personal space.

他将其太空称作“恶劣的生活环境”，因为个人的活动空间极其狭小。

In this harsh environment, only a few organisms like algae and bacteria can live.

在这种恶劣的环境中，只有藻类和细菌等少数生物才能生存。

And there are other lifeforms called extremophiles, which can thrive in even harsher environments.

还有一种叫做“极端微生物”的生命形态，它们可以在更恶劣的环境中茁壮成长。

But they're also studying how to grow vegetables and other produce in this harsh environment.

但是他们也在研究如何在这种恶劣的环境中种植蔬菜和其他农产品。

For the moment, new polar bear cubs emerge into one of the harshest environments on Earth.

此刻，新生的北极熊幼崽来到了地球上最恶劣的环境之一。

Their populations are spread out, in remote areas with harsh environments, and so studying them is almost impossible.

它们的种群分布在偏远地区，环境恶劣，因此研究它们几乎是不可能的。

By being bound together, it helps both antibodies avoid degradation by proteolytic enzymes in harsh environments like the gut.

通过两个IgA互相结合，防止抗体在存有蛋白水解酶的恶劣环境（如肠道）中失活。

We know that tardigrades, for example, can live for decades, and they're able to survive the harsh environment of space.

例如， 我们知道，缓步类动物有数十年的寿命，它们能够在极端的太空环境中存活。

My heart aches as many people went through a very difficult and sad experience in the harsh environment at that time.

我的心很痛，因为当时许多人在恶劣的环境中经历了一段非常艰难和悲伤的时光。

They would have been degraded by the harsh environment, rendering them useless.

它们会因恶劣的环境而退化，从而变得毫无用处。

The desert can be a very harsh environment.

沙漠是一个非常恶劣的环境。

Third, human tribes had to cooperate to survive in harsh environments, where food was scarce.

第三，人类部落必须合作才能在食物匮乏的恶劣环境中生存。

The cubs will adapt to this harsh environment, they're born survivors, just like their mother.

幼崽会适应这种恶劣的环境，它们天生就是幸存者，就像它们的母亲一样。

The Sahara desert in North Africa is one of the harshest and least hospitable environments to human civilization anywhere on the planet.

北非的撒哈拉沙漠是地球上最严酷、最不适宜人类文明生存的环境之一。