英语听力：自然百科 金星和水星旅行指南(4)（在线收听）

Craters here sctreches as far as the eye can see.

这里的环形山远非眼睛所能看得到的。

Although no human has ever set foot on Mercury, we have pretty good idea of what you will see.

虽然没有人曾经登上过水星,我们对你看到的有不错的想法。

If you're walking on the surface of Mercury,you will look a lot like a moon,I will see.

如果你走在水星表面上,你就会看上去很像在月亮上面,我会知道的。

When you step onto the Mercury, you step into the world with no real atmosphere, with the sky is the black its night and blaze in sunshine.

当你走在水星表面,你进入这个世界,没有真正的气氛,而天空是黑的夜晚,阳光里充满了火焰。

And where drive is all through track at least three billion year old battle field.

地面好像30亿年前的战场一样。

Big craters, small craters, craters are everywhere, so that's your first impression looking at.

大陨石坑,小陨石坑,陨石坑到处都有,所以,这就是你一眼望去的第一印象。

Like the moon,Mercury took most of the battery early on,a silent witness to dawn of the time, each been undisturbed by single drop of rain or breath of wind ever sense.

像月亮,水星好像早先用光了所有能量一样, 见证沉默的黎明,不曾被一滴雨或者一阵风打扰。

For the most part,the surface of Mercury has been frozen in time for period of years.you may say that's boring, but that's necessarily to good thing, because this planet is such as Mercury as a moon perserve accurately for what's going on during this critical early period of our information, we can basically start it at there, because there's land on the surface.

最重要的是,水星表面已被冻结在时间中多年。你可能会说,那是很烦人的,但那一定是件好事情,因为这颗行星是以我们的信息在这个关键的早期作为持之以恒星球,我们基本上就可以在那里开始,因为表面上有陆地。

Every stone of crater in this portmark world have potential to gaze back four and half billion years.

每一颗陨石坑的火山口都可以追溯到几百万年前的历史。

But counting these craters is just first challenge when we come to review the planet like Mercury.

但这些陨石坑只是当我们来研究像水星这样的行星的第一个挑战。

It's always lower in horizon so it's hard to get point telescope from Mercury, it's hard to get in orbit around Mercury, because so close the sun.

它总是在水平线很低，所以很难从望远镜中看到水星；也很难进入绕水星的轨道,因为它又如此接近太阳。

For that reason, Mercury remains one of most under explored planets in our solar system.

出于这个原因,水星仍然是太阳系大多数行星中未被探索的行星之一。