短語詞組短語quadrillion Btus 萬億英熱單位quadrillion Btu 千兆英熱單位;萬億英熱單位;能源消耗About 35 quadrillion years 約parts per quadrillion 每多部分eine Million Quadrillion 十億個百億億quadrillion cubic feet 多立方英尺 返回 quadrillion