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This is our planet, the Earth.
这就是我们的星球，地球
It's a remarkable ever-changing world, full of natural wonders.
这是一个伟大壮丽，变幻无穷的世界充满了大自然的奇迹
But there's more to Earth than this
但这并不是地球最美妙之处
because our planet is unique in the solar system,
因为我们的星球在太阳系中独一无二
perhaps even in the universe.
甚至在宇宙中也绝无仅有
My name is Iain Stewart.
我叫伊恩·斯图亚特我想告诉你们
I want to show you the power of the oceans.
我将向你们展示海洋的力量
I am in the middle of the Atlantic Ocean.
我现在位于大西洋的中间
It's only when you get out here
只有亲身来到这里
that you fully appreciate the sheer vastness of the sea.
你才会完全体会到大海的浩瀚
But the oceans are far more than just huge reservoirs of water.
但是大海不仅仅是巨大的蓄水池
They have transformed our planet.
它们改变了我们的星球
Their brute force carves the coastline.
它们那残暴的力量削出了海岸线
And they can leave an extraordinary legacy.
而且它们还能留下独一无二的传奇
They transfer energy around the planet and drive the climate.
它们转换星球上的能量 控制着气候
But above all, we now have a better understanding
但是最重要的是我们现在开始明白了
of how the oceans are connected by an incredible network of currents.
海洋如何被一片洋流连接在一起
They're so critical to the health of our world that when they failed,
它们对我们世界的健康发展起到至关重要的作用海洋的异常表现
it helped cause the greatest extinction in Earth's history.
曾引起地球历史上最大面积的物种消失
The immense power of the ocean allows it to shape the appearance
海洋的巨大能量使它塑造了
and behaviour of the entire planet and everything living on it.
整个地球和生活在地球上所有生物的外形和行为
