音标：[ˈenədʒiz] ；

n. 活力( energy的名词复数 ); [物理学]（原子、电、辐射的）能; [常用复数]精力; （有效地发挥的）力量

n (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs
n forceful exertion
n enterprising or ambitious drive
n an imaginative lively style (especially style of writing)
n a healthy capacity for vigorous activity
n any source of usable power
n the federal department responsible for maintaining a national energy policy of the United States; created in 1977

考试类型：[IELTS]

energy的用法和样例：

例句

用作名词(n.)

Young people usually have more energy than the old.青年人通常比老年人精力充沛。
Don't waste your time and energy on trifles.别把你的时间和精力浪费在琐事上。
Auckland is a city full of energy.奥克兰是个充满活力的城市。
The industry felt the effects of the energy crisis.该工业受到能源危机的影响。
He gave a lecture on the use of solar energy.他就太阳能的利用作了一场讲演。

常见句型

用作名词(n.)

The manager listened carefully to Edison's plan and admired him for his energy and enthusiasm.经理仔细听取了爱迪生的计划,称赞他有干劲,有热情。
She is blessed with immense talent and boundless energy.她才智非凡,精力无限。
He didn't know how to blow off his superfluous energy.他不知如何发泄过剩的精力。
Since you are going to fight a hard battle, now you should conserve your strength and store up your energy.你们将要打一场硬仗,因此现在必须养精蓄锐。
They invested time and energy in the election campaign.他们把时间和精力投入选举活动。
He was always overflowing with energy.他精神总是很饱满。
The lads' energy pleased him but their recklessness worried him.小伙子们的劲头使他高兴,他们的冒失又使他担心。
They poured their energies into religious reform.他们致力于宗教改革。
It was found necessary to retire several generals who lacked energy and enterprise.使几位缺乏精力和上进心的将军解职是必要的。
She flung all her energy〔energies〕 into her work.她把全部精力都投到工作上。
Plants absorb energy from the sun.植物吸收太阳的能量。
The energy released by the chain reaction is transformed into heat.连锁反应释放出来的能被转换成热。
We'll bend to translating a book on atomic energy.我们将专心翻译一本有关原子能的书。
The fuel shortage awoke the country to the need for developing atomic energy.燃料匮乏使这个国家认识到开发原子能的必要性。
Einstein's theory links energy with mass and velocity of light.爱因斯坦的理论把能量同质量和光速联系起来。
Scientists realized that it was possible to obtain energy by splitting the atom.科学家们认识到通过原子裂变有可能获得能量。
New machines were introduced into the factory. As a result, not only were time and energy saved but production was greatly increased.工厂引进了新的机器,因而不仅节省了时间和能源,还极大地提高了生产量。
World energy demand is increasing at a rate of about 3％ per year.世界能源的需求量正以每年百分之三的速度递增。

～+to- v

I didn't have the energy to disagree with her.我没有能力不同意她。

词汇搭配

用作名词 (n.)

动词+～

produce energy产生能量
provide energy for为…提供能量
reduce energy减少能量
store up energy贮存能量
use the energy利用能量
devote one's energy to致力于
direct one's energy to致力于
have much energy精力充沛
pour energy into把精力倾注于
work with energy努力工作

形容词+～

youthful energy年轻人的活力

名词+～

heat energy热能
light energy光能
solar energy太阳能
sound energy声能

～+名词

energy sources能源

介词+～

a burst of energy一股劲
quantity of energy能量
sources of energy能源

经典引文

Institutions which could bear and breed such men as Lincoln and Emerson had surely some energy for good.
出自：J. R. Lowell
A sparse, dark wiry figure, charged with nervous energy.
出自：A. Koestler

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单词：energies