复旦博士写给孩子的恐龙神秘成长史，在故事中嵌入丰富的恐龙知识。文后还附有"袁博士恐龙小科普"章节，科学严谨地讲述了禄丰龙的来龙去脉，让孩子在阅读故事的同时也能收获满满知识干货。五彩冠龙夫妇养育了三个孩子，但孩子们长大之后，依然不愿意自立门户。为了让孩子们拥有独立生存能力，五彩冠龙父母想了很多办法训练它们，最后三个小龙会成功靠自己生存下来吗？
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