Read Edit View history 天然能源 tiānránnéngyuán natural energy source Origin Definitions Defs Strokes Stroke Words Sentences Sents 天然能源 tiānránnéngyuán natural energy source Energy sources found in nature that have not been processed or converted, such as coal, oil, natural gas, or water power; also known as 一次能源 yīcìnéngyuán or 初级能源 chūjínéngyuán. Cross-References Same as 一次能源 yīcìnéngyuán初级能源 chūjínéngyuán
天然能源 tiānránnéngyuán natural energy source Energy sources found in nature that have not been processed or converted, such as coal, oil, natural gas, or water power; also known as 一次能源 yīcìnéngyuán or 初级能源 chūjínéngyuán. Cross-References Same as 一次能源 yīcìnéngyuán初级能源 chūjínéngyuán