题目内容：

恐龙的英文短文介绍
英文的哦,越短越好

优质解答

Dinosaurs were a group of land-dwelling creatures that lived during the Mesozoic Era (about 230-65 million years ago).They included very large and small animals; meat-eaters,plant-eaters,and scavengers.However,all dinosaurs shared certain characteristics of their skulls and hips.