一层又一层厚厚的积雪融化以后将成为纯净的雪水，不像海水冰融化以后带有咸味。
Many thick layers of snow melt and become pure snow water, not as the sea water and ice have saline taste after being melted.
绿色的冰部分被海水侵蚀，并形成纹理。
冰下海水的运动经常会引起表面上许多不同的变化。
The movement of the ocean water under the ice may often cause many different changes on the surface.
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