恐龙的知识（简短）用英语表示
问题描述：
恐龙的知识（简短）用英语表示
快，急。今天就要
答
Dinosaurs are a diverse group of animals that were the dominant terrestrial vertebrates for over 160 million years,from the late Triassic period (about 230 million years ago) until the end of the Cret...