The Iguanodon lived in groups. They were sort of smart. They could run on two legs or walk on four legs. They could run fast.
The Iguanodon lived in groups. They were sort of smart. They could run on two legs or walk on four legs. They could run fast.
禽龙成群生活。它们有点聪明。它们跑步时用两条腿，走路用四条腿，禽龙能跑得很快。