然而剑齿龟生活的年代还没有草生长，因而食物来源可能是二叠纪植物群的茎或叶。

Grasses did not exist at that time but it may have fed on stems or leaves of Permian flora.

youdao

然而剑齿龟生活的年代还没有草生长，因而食物来源可能是二叠纪植物群的茎或叶。

Grasses did not exist at that time but it may have fed on stems or leaves of Permian flora.

youdao