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考古：科学家探寻神奇霸王龙的秘密 (组图)(2)

2007-04-24 10:34:29 中华网论坛【大中小】发表评论

    假如威武的霸王龙跌倒了，它将使用什么帮助它站起来呢？是那双小而细的胳膊、还是巨大的尾巴？佛罗里达州大学的古生物学家Gregory M. Erickson 将为我们解答这个问题——一只重达5吨的暴龙怎样使自己站起来？

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