它们在地球海洋自由漂流的微生物中，构成比例可能高达20%。

They may constitute as much as 20 percent of the free-drifting microbes in the earth's oceans.

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大海溅起浪花，因而使海洋空气中富含负氢离子，抵消自由基（阳离子）带电粒子，增强我们的吸氧能力。

Sea spray – and, therefore, sea air – is full of negative hydrogen ions, charged particles that neutralise damaging free radicals (positive ions) and improve our ability to absorb oxygen.

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在工作中你不会体会到自由的感觉和与之相伴的刺激感，所以我们会求助于海洋。

That feeling of freedom and risk in equal measure was difficult to find at work, so we sought it out on the slopes or the ocean.

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