名词
中文翻译：Unknown
同义词：
['ray', 'radiation', 'beam', 'radiate']
例句：
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1. The rays of the sun illuminate the entire sky.
太阳的光线照亮了整个天空。
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2. Radiation is a natural process that occurs in many living things.
辐射是一种在许多生物中发生的自然过程。
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3. The radiator in the car keeps it warm during winter.
汽车里的暖风机在冬天保持车内温暖。