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

它们是人类在这个境中悠久历史见证。

And a rise in unruly passengers is part of that.

此外，不守乘客增多也是工作境一部分。

From the moment she got to Rouen, Joan was kept in awful conditions.

从她到鲁昂那一刻起，贞德就被关在境中。

Rather than suffering the extreme environment in which they live.

与忍受生活境。

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境中种植蔬菜和他农产品。

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

在这种境中，只有藻类和细菌等少数生物才能生存。

Both demonstrate the true horrors of planets gone wrong.

都显示出境下行星上恐怖。

So developing plants that are tolerant or capable of handling adverse situations is very important.

因此培育出能够耐受或能够处理境植物是非常重要。

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”生命形态，它们可以在更境中茁壮成长。

And that can make for a rough work environment.

这就可能会导向一个工作境。

The scientists thought stray dogs would better withstand the harsh conditions inside the capsule.

科学家们认为流浪狗能更好地经受住太空舱内境。

The hostile environment makes it the most sparsely populated country in Europe.

自然境使它成为全欧洲人口密度最低国家。

The arctic fox is perfectly adapted for living in the harsh arctic climate.

北极狐很好地适应了在北极境中生活。

Large volcanic eruptions also added to the bad conditions.

大模火山爆发也加剧了境。

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

他将太空称作“生活境”，因为个人活动空间极狭小。

During this period, the lower classes experienced sordid working and living conditions.

在工业革命期间，较低阶层人们活在肮葬工作和生活境下。

She added that the migrants end up homeless and jobless, living in terrible conditions.

她补充说，这些移民最后无家可归、失业、生活在境中。

She is used to the desert's severe conditions.

她习惯了沙漠境。

Expensive roads have been built across even harsher environments before.

以前，在更境中也修建过昂贵道路。

You are a kind person—too kind to leave me alone out here in bad weather.

你是个好心肠人——好得都到了不能容忍我独自一人在此身处露天境之中。