早期人们对恐龙的种种推测和猜想，不断被新发掘出的化石所推翻，很多认识不得不予以更正。随着近年来越来越多的恐龙化石被发现，人们对恐龙世界的认识比过去更加准确和全面了。
遇播放卡顿或无法播放时，可切换线路播放
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