Water and heat from volcanic activity are two basic conditions needed for life to form.

火山活动所散发的热量和水是形成生命的两个基本条件。

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Moving from water to land involved a major redesign of every aspect of life, including breathing and reproduction.

从水中迁移到陆地上，涉及到生活的方方面面的重大改变，包括呼吸和繁殖方式。

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It has been suggested that Pakicetus fed on fish in shallow water and was not yet adapted for life in the open ocean.

有人认为巴基鲸以浅水中的鱼为食，还没有适应开放海域的生活。

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Life is thought to need both water and the right chemicals to guarantee survival.

VOA: special.2010.05.25

And I was just in the water which is the place I feel most comfortable as a swimmer all my life.

那一刻我在水中,感到这是我一生中最舒适的游泳环境。

普林斯顿公开课 - 人性课程节选

Water and organic materials are necessary for life as we know it.

VOA: special.2010.05.25

They enable Mars Rover Curiosity to search for water and life and tell people on Earth what they find.

FORBES: Why Sensors Are a Force of Context

There have also been huge improvements in human development over the past 30 years: access to clean water and life expectancy have gone up.

BBC: Iranian views on the revolution

While Earth orbit is vital, keep in mind that visionaries like Elon Musk have in mind a human journey to Mars to look for signs of water and life.

WHITEHOUSE: Space Community Leaders on Historic Berthing of Dragon to the International Space Station | The White House