B1 [ U ] the power and ability to be physically and mentally active精力;活力;干劲
the total of all your power and ability to be mentally and physically active(全部)精力,力量
More examples
I'm not being lazy - I'm just saving my energy for later.
Her experience and energy are a winning combination in business.
We were struck by the raw energy of the dancers' performances.
For the past month he's been spending all his time and energy on trying to find a job.
I'd like to go out this evening, but I don't think I've got the energy.
B1 the power from something such as electricity or oil that can do work, such as providing light and heat能,能量;能源
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Solar power is the conversion of the sun's energy into heat and electricity.
Plutonium is a fuel used to produce nuclear energy.
The exploration for new sources of energy is vital for the future of our planet.
Many countries are starting to turn their attention to new forms of energy.
We must invest more in renewable energy sources such as wind and wave power.
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