We typically think about water as the liquid that flows from a tap.

我们通常认为水是从水龙头流出的液体。

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Scientists think the best explanation for the gullies is that seasonal melting of nearby water ice creates slurries of sand and liquid water, which flow down the crater's dunes.

科学家认为这些沟壑形成的最佳原因是，附近的水冰因季节性消融而形成的沙浆及液态水流下山丘形成了这些沟壑。

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Until recently, Mars' color was thought to be a product of liquid water, which scientists think flowed over the planet's surface billions of years ago, rusting rocks.

一直以来，火星呈现的颜色被认为是液态水的作品，科学家认为是亿万年前流淌在这一行星表面的水锈蚀了岩石而造成的结果。

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We listened anxiously for your updates about the weather on Mars, watched you "think" your way out of nearly fatal situations, and marveled at your liquid discoveries.

ENGADGET: Anthropomorphized Mars lander in terminal "Groundhog Day" mode, tugging heartstrings

"At very low angles, we think that some water-ice from the comet would remain intact as a liquid puddle concentrated with organic molecules, ideal for the development of life, " Blank said.

BBC: Comets could have seeded life on Earth

We think that the normal pattern when bad news takes place is the most likely one to be repeated: relatively liquid assets, assets which tend to do well when global equities come under pressure, and assets where speculators had previously built up sizable short positions are all likely to outperform as investors flock to safe havens and square their positions.

FORBES: Post-Downgrade, Commodity Currencies More Vunerable Than Dollar