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斗转星移,日月如梭,霸王龙灭绝已有6500万年之久了。恐龙专家对霸王龙的研究好像特别上心,把它的老骨头翻来覆去地看,越看越有看头,越看发现的问题越多。而对这
With the passing of the moon and the moon, the extinction of the Tyrannosaurus has been 65 million years. The dinosaur expert’s research on Tyrannosaurus rex looked like a special heart. Looking back at its old bones, the more it looked and the more the problem was discovered. And for this