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所属栏目：绿色空间
所属频道：CCTV-10科教
年份：2010
展开全部
简介：在两亿多年前的地球上出现了第一种能在天空中飞翔的脊椎动物翼龙，它们有的体形很小，有的却是庞然大物，它们的足迹遍布世界各地，节目讲了翼龙这些庞然大物是如何飞行起来的。收起
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