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It seemed a perfectly good theory, but the big test was:
这似乎是完美的理论，但关键问题是
was there any evidence that it actually had affected the dinosaurs?
是否有证据能证明这场事件真的影响了恐龙
Argentina was the perfect place to look.
阿根廷是寻找答案的理想地点
At first there were some tantalising similarities between the rocks in Yorkshire and in Patagonia.
首先，约克郡和巴塔哥尼亚的岩层有许多显著的相似点
They had found fossils from the bottom of a mid-Jurassic lake
他们找到了中侏罗世湖底生物的化石
and in these rocks they found one particular layer which was very strange.
他们发现岩石中的一个特殊地层非常奇怪
One fish here, another here, another one here and it's here there is another one,
这里有一条鱼，又是一条，又是一条，又是一条
so many fishes all together in the same layer.
所以很多鱼一起埋在同一个地层中
This layer was packed with hundreds of fish and they'd all died the same way: all the fish were twisted, contorted.
这个地层埋有数百条鱼，它们都有同样的死状：每条鱼都扭曲着，蜷成一团
They had clearly died a terrible death.
显然它们死得很惨
Was this then evidence of a mass extinction?
那么这是否就是大灭绝的证据呢？
