然而，科学家现在声称，其实死亡人数并不像之前所想的那样多。

But the death toll, scientists now say, wasn't as high as previously thought.

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现在，有日本科学家声称找到了答案。

Now a team of Japanese scientists has found the answer.

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不过现在，科学家们声称，我们可以从鸵鸟身上来探索恐龙运动方式的蛛丝马迹。

But now scientists say we can discern a hint of dinosaur movement -from ostriches.

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