The floor of the Atlantic Ocean is split in two by an immense volcanic mountain chain that winds unbroken for forty five thousand miles around the globe. 大西洋被一条无边的火山山脉劈成两半, 绕地球绵延45000英里
As the Sun disappears, a profound change takes place in the ocean. 昼去夜至,海洋发生了另一个重大变化
It specializes in locating prey in the emptiest areas of the open ocean 它擅长的是即使在最空荡的海域也能找到猎物
Many predators spend much of their time cruising the open ocean 许多掠食者把大部分的时间用在来回巡游
a struggle to conserve precious energy in the open ocean. 在这广袤的大洋中只为获得宝贵的能量
Along the coast of California, ocean currents carry a constant supply of nutrients up from the depths to the surface layers. 在加利福尼亚沿海,洋流持续不断的把养分从海底 带到海平面上来
They can send sound signals to one another, above the roar of the ocean 他们可以通过拍打海面 制造超越海洋轰鸣的的声音
This is the meeting place for different seas the Indian Ocean and the Pacific. 这里是两个大洋的交汇处 印度洋和太平洋
wandering the vast tracts of frozen ocean. 在冰封的海洋上四处游猎