If you don't drink enough water you compromise the evaporation process you skin USES to keep you cool.

如果你没有喝足量的水，可以使你皮肤凉爽的蒸发过程就会受到损害。

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If the planet has an atmosphere like ours, it would need about 50 percent cloud cover to stay cool enough for liquid water to exist on the surface.

如果这颗行星有跟我们一样的大气层，就需要覆盖大约50%的云层来保持它足够凉，这样液态水才能在行星的表面存在。

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The more solar energy the ocean absorbs during the summer, the longer it takes in the fall for the water to cool down enough to freeze.

因此，海洋在夏季吸收越多的太阳能量，那么在秋季就需要更长的时间来冷却海水，使它结冰。

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Non-sugary drinks, like water, are just not cool enough for kids, says Rose Cameron.

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It's part of a massive system that has left one in three Americans baking in scorching heat and has threatened lives and doled out misery for those not fortunate enough to find a splash of cool water or air conditioning.

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