论文部分内容阅读
从距今2.3亿年前的中生代晚三叠世一直到6500万年前的晚白垩世,在将近1.7亿年的时间里,恐龙这种奇妙的动物一直是这个世界的主宰者。它们家族庞大,多达800多属、数千种。现在就让我们来观赏一场恐龙的奥林匹克盛会,看看谁是龙之翘楚。
From the Mesozoic Late Triassic 230 million years ago to the Late Cretaceous 65 million years ago, the wonderful creature of dinosaurs has been the master of this world for nearly 170 million years. They have a huge family of more than 800 genera and thousands of species. Now let’s watch a dinosaur Olympic event to see who is the leader of the dragon.