The molecules of carbon dioxide in the Earth's atmosphere affect the heat balance of the Earth by acting as a one-way screen.
地球大气层中的二氧化碳分子像一个单向屏一样影响着地球的热量平衡。
The earth would be a frozen ball if it were not for the radiant heat of the sun.
要是没有太阳的辐射热,地球将会是一个冰冻的球体。
When the sun's rays hit the earth, a lot of the heat is reflected back into space.
太阳光线照射到地球时,大量的热被反射回太空。
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