Moon rocks show that lunar water has more heavy hydrogen than does terrestrial water, indicating a cometary origin.

研究表明，月球岩石中的水资源比地球水资源包含更多的重氢元素，意即月球水有可能来源于彗星。

youdao

Virtually all surface and near-surface terrestrial water occurs and moves as part of a single vast hydrologic system.

实质上，所有地表水和接近地表的水是作为一个单一的大水文体系的一部分而存在和运动的。

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They are the visible part of the terrestrial water cycle, carrying water - the source of life-from the oceans to the land.

云是陆地水循环系统的可见部分，将生命之水从海洋带到陆地。

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Biodiversity from terrestrial, marine, coastal, and inland water ecosystems provides the basis for ecosystems and the services they provide that underpin human well-being.

UNESCO: Social and Human Sciences

He thus put together a collection of apparatus that would not have disgraced the set of a mad-scientist horror film, and filled it with a mixture of methane, ammonia, hydrogen and water vapour that matched contemporary ideas of what the primitive terrestrial atmosphere had been composed of.

ECONOMIST: Stanley Miller