our planet returned to a forested land of giants. 我们的星球 第一次变回巨型生物的森林地
adult females must still return to dry land to lay their eggs. 每年仍要返回干燥的陆地上产卵
was when some of them turned their back on the land 也许是其中一些动物放弃陆地
and a single immense land mass on the other, 在另一边形成了一个巨大的陆地
they made up three-quarters of all vertebrate life on land, 它们占据了陆地脊椎动物的四分之三
Scutosaurus, among the largest animals on land. 盾甲龙是陆地上最大的动物之一
these creatures could colonize the drier land 能够以两栖动物无法做到的方式
No matter what great heights amphibians reached in their conquest of land... 不论两栖动物 在征服陆地的过程中达到如何的高度