关于恐龙的知识（有英文的吗）?
问题描述：
关于恐龙的知识（有英文的吗）?
答
There were a lot of kinds of dinosaurs.Like saurischia,Ornithischia and plesiosaur.Some dinosaurs are small,and some are big.Some eat meat and some eat leaves.Dinosaurs are a diverse group of animals ...