- 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 - they never escaped their tie to water...
它们永远无法摆脱与水的联♥系♥ - a tie that would be their undoing when conditions on Earth...
当地球上的环境剧变时 - radically changed.
这种联♥系♥将使它们毁灭 - During the period known as the Carboniferous,
在石炭纪 - Earth's great land masses merged,
地球各大♥陆♥合为一体 - and the supercontinent of Pangaea was born.
超级大♥陆♥“盘♥古♥大♥陆♥”诞生