船帆支持的异齿龙牧草中二叠纪景观在这方面艺术家的写照。

A sail-backed dimetrodon forages amid a Permian landscape in this artist's depiction.

youdao

船帆支持的异齿龙牧草中二叠纪景观在这方面艺术家的写照。

A sail-backed dimetrodon forages amid a Permian landscape in this artist's depiction.

youdao