詞組：
energy consumption [化]能量損耗
energy saving 節能，能源節省
energy conservation 能量守恒；能源節約
雙語例句：
1、這項工作真消耗我的精力!
The work drained my energy!
2、他逐漸消磨掉了他的時間和精力。
He has dribbled away his time and energy.
3、在我們周圍總是有能量在做功， 不管我們是否察覺到它。
There is energy working around us all the time whether we are aware of it or not.