单词ornithopod
n.: 鸟脚亚目 动物网络: 鸟脚亚目恐龙;鸟脚下目恐龙;鸟脚亚龙
鸟脚亚目动物
复数:ornithopods
And they were big: sometimes more than four metres long. That is certainly large enough to take on an adult ornithopod.
而且它们很大:有时超过4米长,大到足以捕杀一头成年鸟脚亚目食草恐龙。