电暖水壶的用处英语作文
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The Usage of Solar Energy
The Solar Energy is the Origin of the lifes on the earth.Plants synthesize the tissue materials and grow with the solar energy; the earth warms up with the everyday solar irradiation,which makes the earth suitable for living; scientists have developed solor cells,which can directly transform solar energy into electric energy.
Actually,solar irradiation also makes the air flow,which gives the wind; solar irradiation vaporizes the water,which makes the rain; solar irradiation even help people to produce Vitamin D under the skin,which guarantee our bones healthy.
