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Phytoplankton can do this because they photosynthesise.
浮游植物能够做到这点是因为它们可以进行光合作用
They turn carbon dioxide and sunlight into energy in order to live.
它们将二氧化碳和阳光变成能量来维持生命
And this releases a very important by-product,Oxygen.
这就会释放非常重要的副产品 氧气
This process takes place on a global scale.
这个过程是在全球进行的
All these green patches show areas of phytoplankton
这些绿色的部分是指浮游植物生活的区域
and they're all producing oxygen,which fills the seas and the atmosphere.
它们都在制造氧气 充满了海洋和大气层
Oxygen is vital to all animals. In the sea,on land and in the air.
氧气对于所有动物来说都很重要在大海里 在陆地上 在空中
Phytoplankton produce something like 50% of all the oxygen on Earth,
浮游植物制造出了地球上一半氧气
about as much as the world's forests and jungles combined.
大概相当于世界上的森林和丛林加起来的数量
But producing oxygen is just the start of it.
但是制造氧气只是刚刚开始
The secret to the sea s power overall life on Earth,
海洋对地球所有生物巨大影响的秘密
its greatest power, is a vast network of currents
它最伟大的力量是巨大的洋流
that connect all the oceans on the planet.
将地球上所有的海洋都连接起来
