纪录片《地球的力量》第1集 火山(24)终结冰河世纪
日期:2015-08-29 12:00

(单词翻译:单击)

纪录片《地球的力量》第一集 火山24:终结冰河世纪

In South Australia,there's evidence for what happended.

在澳大利亚南部 有这些变化的证据

to the evolution of life after Earth's long winter.

地球经历了漫长的冬季之后生命开始演化


Five hours' driver out of Adelaide,

五小时行程后驶出Adelaide

Paleontologist Jim Gilling is travelling to see some of the rarest

古生物学家吉姆带我去看世界上最古老

and most ancient fossils in the world.

和一些最珍稀的化石。

We are going to a secret location in the Flinders Ranges.

我们要前往弗林德斯区的一处秘密地点

It's the place where you can get alook at the very first fossil evidence of complex life on Earth.

在那里你可以看见地球最早的复杂生命体的化石证据

STEWART:The area we are about to visit was once the bottom of sea.

我们将要参观的区域从前是海底。

600 million years ago,

6亿年前

he oceans were the only place where life could be found.

海洋是能够发现生命的唯一地方

But a warmer Earth brought change.

温暖的地球带了变化

For a billion years, all that the Earth had seen

10亿年的时间里 地球只有单细胞微生物

was microscopic single-celled creatures.The best they could do was to form these domes of slime,which we call stromatolites.

他们最多只能够形成这种圆石 我们称为叠层石。

Stromatolites were the Earth's dominant life form.

叠层石是地球生命的主要场所

Were it not for the violent climatic changes triggered by volcanoes

如果不是火山引发了剧烈变化的气候

at the end of the snowball era,they might still rule the planet today.

终结了冰河世纪 它们还会一直统治着地球

Instead, new life forms arose.

相反,新的生命形式出现

We see a revolutio in the history of life.

地球生命史发生了一次革命

We see a sudden increase in size and complexity of the single cell creatures

单细胞生物在体积和复杂程度方面突然发生变化

And soon after, you will find imprints on rocks of the very first large creatures,

我们能在岩石上发现之后短时期内出现的最早的大型生物的印记

the oldest multi cell creatures, the Ediacaran fossils.

我们认为这就是最古老的多细胞生物伊迪卡拉纪化石。

重点讲解

1、evolution

进化

the evolution of plants and animals.

动植物的进化

the theory of evolution by natural selection.

自然选择的进化论

演变;演化;演进;发展

a crucial period in the evolution of modern physics.

现代物理学演化过程中的重要时期

an accurate account of his country's evolution.

对他的国家演进的准确描述

2、ancient

远古的;古代的

They believed ancient Greece and Rome were vital sources of learning.

他们认为古代希腊罗马是知识的重要发源地。

古老的;年代久远的

ancient Jewish tradition.

古老的犹太传统

ancient fishing rights.

由来已久的捕鱼权

3、dominant

占支配(或统治)地位的;占优势的;显著的

a change which would maintain his party's dominant position in Scotland.

将使他的政党在苏格兰继续占据支配地位的变化

She was a dominant figure in the French film industry.

她在法国电影界是个举足轻重的人物。

(基因)显性的,优势的

Because it is carried by a dominant gene, an affected individual can expect about half of his or her children to inherit the illness.

因为它是由显性基因携带,所以感染者的孩子会有约50%的可能性遗传该疾病。


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