英语听力：自然百科:行星旅行指南 火星(11)

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。

1 leap   

n.跳跃，飞跃，跃进；vi.跳跃，跳过；猛然行动，迅速行动；vt.跃过，使跃过

参考例句：

• In the last few years,this art has made a big leap.近几年来，这一艺术有了新的跃进。
• Her marriage to John was a leap in the dark.她与约翰结婚是贸然行动。

2 mission   

n.使命，任务，天职；代表团，使团

参考例句：

• He was charged with an important mission.他受委托承担一项重要使命。
• I'll leave you to undertake an important mission.我要让你承担一项重要使命。

3 Mars   

n.火星，战争

参考例句：

• As of now we don't know much about Mars.目前我们对火星还知之甚少。
• He contended that there must be life on Mars.他坚信火星上面一定有生物。

4 combination   

n.组合，合并，联合；

参考例句：

• He carried on the business in combination with his friends.他与朋友们合伙做生意。
• The materials can be used singly or in combination.这些材料可以单独使用也可以混合用。

5 gravity   

n.重力，引力，地心引力

参考例句：

• An apple falls down because of gravity.由于重力的关系，苹果往下掉。
• The stone rolled down the mountain by gravity.这块石头由于重力作用而滚下山。