水果是维生素和能量的便利来源。

Fruit is a convenient source of vitamins and energy.

《牛津词典》

考试时准有关于能量的题目。

In the exam there's sure to be a question on energy.

《牛津词典》

孩子们耗能多，可能比成人需要更多高能量的食物。

Children expend a lot of energy and may need more high-energy food than adults.

《柯林斯英汉双解大词典》

This indicates that by combining two lithiums, the energy of the combined system is lower than the energies of the atomic systems.

结果显示，两个锂结合后，其结合后的能量,比原子体系的能量要低。

麻省理工公开课 - 固态化学导论课程节选

Yet, the temperature goes up. So, I can have a temperature change which is an adiabatic temperature change.

它与外界不会，有物质或者能量的流动,然而系统的温度升高了。

麻省理工公开课 - 热力学与动力学课程节选

So if I tell you that the energy for single hydrogen atom is negative 13 12 kilojoules per mole.

如果我告诉大家单个氢原子的能量,是负的，1312，千焦每摩尔。

麻省理工公开课 - 化学原理课程节选