NASA scientists believe they've discovered flowing water on Mars which may have the ability to sustain living organisms.

美国宇航局的科学家们认为他们已经发现火星上的流体水，这可能可以支持生命体。

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So the photographs are not absolutely definitive evidence of liquid water flowing on Mars—but they are the closest thing yet.

因此这些照片还不是火星上存在流动液态水的百分之百确凿证据——但它们是迄今为止最理想的证据。

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This is an artist's concept of water flowing through a canyon on ancient Mars.

这是远古火星上峡谷间的流水艺术概念图。

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Nasa's Curiosity rover has only been on the surface of Mars seven weeks but it has already turned up evidence of past flowing water on the planet.

BBC: Curiosity Mars rover beams images of ancient streambed