Most of it is still there, frozen solid in, among other things, the rings of Saturn, Jupiter's moon Europa, the bodies of Neptune and Uranus and billions upon billions of comets.
这些水分至今还以冰冻的形式存在于土星环，木星的卫星欧罗巴，海王星、天王星以及数以十亿计的彗星之中。
But it changes from a frozen solid to a melted liquid.
但是却由固体融化成了液体。
But it changes from a frozen solid to a melted liquid.
但是却由固体融化成了液体。
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