That's the case with dinosaur extinction.

恐龙灭绝就是这样的例子。

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BLOG: Dinosaur Extinction Paved Way for Mammal giants.

相关博客：恐龙灭绝为巨型哺乳动物繁衍铺平道路。

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He makes a compelling case, identifying an underwater mountain called Bombay High, off the coast of Mumbai, that formed right at the time of the dinosaur extinction.

他举了一个非常有说服力的例子——他指出在离孟买海岸不远处有一座名为“孟买高山”的水下山恰好是在恐龙灭绝的时候形成的。

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Dinosaur extinction, the evolution of mammals and future threats from climate change will be discussed at the conference, the university said.

BBC: 'Big' palaeontology conference at Plymouth University

Extensive dating research at Chicxulub, however, now suggests that the object which created that crater actually struck 300, 000 years earlier than the dinosaur extinction, meaning there really should be two ejecta layers.

ECONOMIST: Mass extinctions

Recent research suggests that there was, in fact, no impact in the North Sea at all, but the Ukrainian site does appear to be the result of a genuine collision that took place at the time of the dinosaur extinction and could therefore be connected with Shiva.

ECONOMIST: Mass extinctions