英语听力：自然百科:行星旅行指南 火星(10)

Five, four, three, two, one, engine start...

五、四、三、二、一、引擎启动…

If you are ever lucky enough to book a flight on the first rocket to the red planet¹,

如果你幸运地订到一张发射到这颗红色行星火箭的票，

you'd better be sure you've packed everything.

你最好确定你已经准备好了所有的东西。

The one-way trip is at least six months with no turning back if you've forgotten something.

这次单程旅行最少要在6个月以上,如果你忘了什么东西，可没有回头路。

We can go to the moon and get back in a week.

我们可以去月球,并在一个星期内回来。

It takes about three years go to Mars² and come back.

而火星来回大约需要3年。

You have to carry your food, you have to recycle your breathing oxygen and your water.

你必须带上食物,你必须循环利用氧气呼吸，而且要准备好水。

So it's a very, very major undertake³.

所以这是一个非常,非常必要的步骤。

Within about three days, the earth looks very small.

在大约用时三天的时间,地球看起来就会非常小。

And within a week, it's just another star.

在一个星期内,这将会是另一颗恒星。

And you suddenly are going to realize you are in very deep space and it's gonna be a long time before you can go back.

而你突然意识到你已经身处很深的空间,要花很长时间才能回去。

1 planet   

n.行星

参考例句：

• Neptune is the furthest planet from the sun. 海王星是离太阳最远的行星。
• Rubbish, however, is only part of the problem of polluting our planet. 然而, 垃圾只是我们这个星球的污染问题的一个方面。

2 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。

3 undertake   

vt.从事，保证，承担，同意，接受

参考例句：

• I can undertake that you will enjoy the play.我保证你会喜欢这个剧。
• I want you to undertake all the responsibility.我要你承担所有的责任。