问题描述： 恐龙介绍 英文 简短 1个回答 分类：英语 2014-09-20 问题解答： 我来补答 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 展开全文阅读
