Quite recently man has succeeded in converting sunlight directly into electrical energy.
最近人们已经成功地把太阳光直接转化为电能.
《现代汉英综合大词典》
As the gas heats, its electrical resistance decreases and it radiates heat energy less efficiently.
随着气体被加热, 这些气体的电阻下降,辐射热能的效率也随之减低.
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