英语听力：自然百科:行星旅行指南 火星(11)

（单词翻译）

Before we take this giant leap¹,

在我们进行这次巨大的飞跃前,

we need to be able to carry everything needed for a 3-year round trip with us.

我们需要准备为期三年往返旅行的东西。

This is a much larger effort than getting to the moon.

这比到达月球要花费更多的努力。

This is the Apollo Mission² unstarioates.

这就是目前的阿波罗任务。

At this point, we know at least as much as the engineers knew the time they agreed on to land on the moon.

在这一点上,我们至少知道很多工程师知道他们同意踏上月球。

And they had only 9 years so I think once the nation decides they really want to land humans on the Mars³.

他们只有9年,所以我认为一旦国家决定他们真正想要让人类踏上火星的土地。

The system can be designed, developed and built.

该系统可以被设计,开发和建造。

Fast forward to future, after 6-month crossing the blackness of space,

快进到未来,6个月后穿过黑暗的空间,

things suddenly get a lot more interesting.

事情突然就变得愈加有趣。

The combination⁴ of higher approach speed,

接近速度越来越高,

a thin atmosphere and twice the gravity⁵ of the moon,

一层很薄的大气和月球引力的2倍,

makes Mars one of the hardest places to land in the solar system, even for robots.

这使火星成为了太阳系中最难到达的地方,甚至对机器人而言也是如此。

You hit the top of the Martian atmosphere.

你挑战的是火星的大气层。