1. | [u] 精力;活力;干劲the ability to put effort and enthusiasm into an activity, work, etc. |
It's a waste of time and energy. 那是浪费时间和精力。 | |
She's always full of energy . 她总是充满活力。 | |
nervous energy(= energy produced by feeling nervous) 精神紧张而产生的精力 |
2. | [pl] 精力;力量the physical and mental effort that you use to do sth |
She put all her energies into her work. 她把全部精力都投入到工作中去了。 | |
creative/destructive energies 创造力;毁灭力 |
3. | [u] 能源a source of power, such as fuel, used for driving machines, providing heat, etc. |
solar/nuclear energy 太阳能;核能 | |
It is important to conserve energy. 节省能源十分重要。 | |
an energy crisis(= for example when fuel is not freely available) 能源危机 |
4. | [u] 能;能量the ability of matter or radiation to work because of its mass, movement, electric charge, etc. |
kinetic/potential, etc. energy 动能、势能等 |