n. 1.干劲，活力。 2.(语言、行为等的)生动。 3.〔pl.〕 (个人的)精力；能力。 4.【物理学】能，能量。 短语和例子 What energy you have! 你真有精力呀! be full of energy 精力旺盛。 act [speak] with energy 生气勃勃地干[说]。 conservation of energy 能量守恒，能量不灭。 kinetic [motive] energy 动能。 potential [latent] energy 势能。 apply [devote, direct] one's energies to 致力于。 brace one's energies 鼓起干劲，振作精神。
an imaginative lively style (especially style of writing); "his writing conveys great energy"; "a remarkable muscularity of style" 同义词：muscularity, vigor, vigour, vim,
enterprising or ambitious drive; "Europeans often laugh at American energy" 同义词：push, get-up-and-go,
forceful exertion; "he plays tennis with great energy"; "he''s full of zip" 同义词：vigor, vigour, zip,
any source of usable power; "the DOE is responsible for maintaining the energy policy"
(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs; "energy can take a wide variety of forms" 同义词：free energy,
a healthy capacity for vigorous activity; "jogging works off my excess energy"; "he seemed full of vim and vigor" 同义词：vim, vitality,
In physics, energy is an indirectly observed quantity which comes in many forms, such as kinetic energy, potential energy, radiant energy, and many others; which are listed in this summary article. This is a major topic in science and technology and this article gives an overview of its major aspects, and provides links to the many specific articles about energy in its different forms and contexts.
例句与用法
1.
His energy were cramped by his surroundings . 他的能力被环境所阻碍。
2.
Energy manifests itself in many ways or forms . 能量以多种形式出现。
3.
He grew normally, he was full of energy . 他发育正常，精力也满充沛。
4.
They rallied their energies for the counter-attack ... 他们奋起反攻。
5.
In addition, external energy appears as heat . 此外，外能还表现为热。
6.
Centralize one 's energies into voluntary work 把精力放到义务工作上。
7.
Where does the extra energy come from ? 这些额外的能量是从哪里来的呢？
8.
Potential energy is convertible to kinetic energy . 势能可转化为动能。
9.
It took a lot of energy to move the furniture . 搬这些家具费了很大劲。
10.
Mechanical energy can be lost or gained . 机械能可以消失或者可以增生。
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