The water temperature originates in geothermy warming rate and the radioactive element decay has the energy.水温来源于地热增温率及放射元素的衰变产生热能....

geothermy的音标：geothermy的英式发音音标为：[dʒi:əʊ'θɜ:mɪ]geothermy的美式发音音标为：[dʒioʊ'θɜmɪ]...

地热...