英语听力：自然百科 金星和水星旅行指南(14)

Venus' clouds cover is mostly made of carbon dioxide then the earth we have the same amount but it's tied up in rocks like limestones¹ just tied up in waves.

金星的云层覆盖主要是由二氧化碳组成，这和我们地球的含量一样高,但它却在石灰岩的包裹中，就像在光波中一样。

On Venus that carbon dioxide is in the air.

在金星上,二氧化碳是在空中。

It's the difference between these worlds that so intriguing² .

这是两个世界之间的区别,非常吸引人。

That's because 4.5 billion years ago Venus and earth started out as planeraty twins.

这是因为45亿年前金星和地球是行星双胞胎所致。

They were formed right next to each other they are very close to each other in the solar system .

在太阳系里它们一个接一个的互相形成而且它们非常接近。

They have similar sizes.

而大小也类似。

Not only that the planet swirl³ to dingy⁴ material early on it.

这颗星球不仅上面有一些昏暗物质因为旋转而落下。

Bits of earth were falling on Venus,

而且地球的一小部分也落到了金星上，

bits of Venus were falling on earth ,

金星的一小部分也落到了地球上，

so if life started on any of these worlds it may welcome spread among them through these little chips getting knocked off from all the impacts what happening and all the big collisions.

因此如果生命在世界中的任何一点开始，它也许会通过这些小碎片传播直到能影响大碰撞为止。

1 limestones   

n.石灰岩( limestone的名词复数 )

参考例句：

• The isotopic signatures of most ancient limestones indicated the same process. 大多数古代石灰岩的同位素特征说明了同样的过程。 来自辞典例句
• There are four principal types of limestones. 石灰岩有四种主要类型。 来自辞典例句

2 intriguing   

adj.有趣的；迷人的v.搞阴谋诡计(intrigue的现在分词)；激起…的好奇心

参考例句：

• These discoveries raise intriguing questions. 这些发现带来了非常有趣的问题。
• It all sounds very intriguing. 这些听起来都很有趣。 来自《简明英汉词典》

3 swirl   

v.(使)打漩，(使)涡卷；n.漩涡，螺旋形

参考例句：

• The car raced roughly along in a swirl of pink dust.汽车在一股粉红色尘土的漩涡中颠簸着快速前进。
• You could lie up there,watching the flakes swirl past.你可以躺在那儿，看着雪花飘飘。

4 dingy   

adj.昏暗的，肮脏的

参考例句：

• It was a street of dingy houses huddled together. 这是一条挤满了破旧房子的街巷。
• The dingy cottage was converted into a neat tasteful residence.那间脏黑的小屋已变成一个整洁雅致的住宅。