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纪录片《侏罗纪之谜》 第11期 侏罗纪大灭绝

时间:2021-09-27 08:44来源:互联网 提供网友:nan   字体: [ ]
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The rocks here are littered with this abundance of Jurassic sealife, but it doesn't last.

这里的岩石布满了侏罗纪海洋生物资源,但它并不是连续的

Further up the cliff there's a black layer and here the fossils just disappear.

在这片远离悬崖的黑色地层中,化石突然间不见了

As you can see, as you work your way up through here

正如你看到的,如果你凿开这个地方

and we get quite a dramatic change at this point here

你会在这一点上发现戏剧性的变化

and all that seafloor life is gone, it's just disappeared completely.

所有海底生物都不见了,它们完全消失了

80% of life in the oceans had vanished.

80%的海洋生物消失了

侏罗纪大灭绝

Everything seemed to have died out and all over the world the same rocks recorded the same catastrophe1.

所有生物似乎都灭绝了,全世界各地都有同样的岩层记录着同样的灾难

This layer which we see here on the Yorkshire coast, we can trace that throughout the world.

我们在约克郡海岸看到的这些地层,实际上在全世界各地都有

If we go to places in North America or the Himalayas or something like that,

如果我们跑到北美洲或是喜马拉雅,或是其它什么地方

then we can see that rocks the same age have, have the same event in them.

我们可以看到同时期的岩层也记录着同样的事件

It's this very sharp event and it just records this mass death in the Jurassic.

这是一次剧烈事件,它记录了侏罗纪的这次大灭绝

Just before the crucial mid-Jurassic period there had been a mass extinction2

就在中侏罗世时期开始之前,地球上发生了一场大灭绝

and it seemed that a massive event such as the splitting apart of the super-continent had to have been responsible.

起因很有可能是超大陆分裂这样的大事件

It was one of the most violent periods in the Earth's history.

它是地球史上最暴虐的时期之一。


点击收听单词发音收听单词发音  

1 catastrophe WXHzr     
n.大灾难,大祸
参考例句:
  • I owe it to you that I survived the catastrophe.亏得你我才大难不死。
  • This is a catastrophe beyond human control.这是一场人类无法控制的灾难。
2 extinction sPwzP     
n.熄灭,消亡,消灭,灭绝,绝种
参考例句:
  • The plant is now in danger of extinction.这种植物现在有绝种的危险。
  • The island's way of life is doomed to extinction.这个岛上的生活方式注定要消失。
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TAG标签:   纪录片  侏罗纪之谜  BBC
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