they've colonized all the continents of the Southern Hemisphere... 已经在南半球所有的大♥陆♥上建立群落
the continents had shifted almost to where they are today. 各大♥陆♥几乎漂移到了今天所在的位置
Water fills the rift between the newly formed continents. 水填满了新生大♥陆♥之间的裂口
the Earth's continents had been converging, 地球的大♥陆♥一直在汇聚
They cover over 13% of the continents. 覆盖了整个大♥陆♥13%的区域
As you travel away from the rocky margins of the continents an immense plain stretches ahead. 当你越过满是岩石的海底陆地边缘 前面便是广阔的海底平原
Our planet's continents are fringed by shallow seas. 我们陆地的边缘都是浅海域