提示：点击例句中的单词，就可以看到词义解释

But an iguanodon didn 't have a horn .

但是禽龙的确没有角。

Other dinosaurs that lived at the same time were stegosaurus and iguanodon .

其它生活在这个时期的恐龙有剑龙和禽龙.

Iguanodon was a plant eater . Other meat eating dinosaurs would kill the iguanodon to eat it .

禽龙是草食动物。其它食肉恐龙会捕食禽龙。