energy是可数名词吗
energy是可数名词，复数形式是energies energy 美 /ˈenərdʒi/ 英 /ˈenədʒi/ n. [物] 能量；精力；活力；精神 双语例句: After listening to the rousing speech, he was full of energy. 听完这场振奋人心的演讲后，他浑身充满了干劲。 Countries around the world are vigorously promoting the use of solar energy....