energy/force/power/strength.导航词义：能量，力量

1. energy:n. 能源，能量；精力.物理学中指能量、能源，用于人时则指体力和精力。

Potential energy can be used to do work.

势能可以用来做功。

We should devote our energy to the career.

我们应该致力于这项事业。

2. force:n. 力，力量.通常指外力，如物体相撞时产生的力量。

The force of her fall was broken by the straw mats.

草垫的缓冲作用减弱了她下落的冲击力。

The torrents of water rushed ahead with a terrifying force.

急流汹涌奔腾。

3. power:n. 力，力量.普通用词，泛指一切力量、能力等。

Adults know the power of love.

成年人懂得爱的力量。

The propelling power of trains is usually made of steam or electricity.

火车的动力通常来自蒸汽或电。

4. strength:n. 力气，力量.通常指体力或人、事物等拥有的实力。

He had hardly enough strength left to move his feet.

他连移动双脚的力气都几乎没有了。

Our national strength has increased since 1982.

自1982年以来，我们的国力增强了。

全部

1·She's always full of energy.

她总是充满活力。《牛津词典》

2·It's a waste of time and energy.

那是浪费时间和精力。《牛津词典》

3·She was bouncy and full of energy.

她生气勃勃，精力充沛。《柯林斯英汉双解大词典》

4·It is important to conserve energy.

节能十分重要。《牛津词典》

5·A new filter can save on energy bills.

一个新的过滤器能节省能源开支。《柯林斯英汉双解大词典》

6·She was brimful of energy and enthusiasm.

她精力充沛，热情洋溢。《柯林斯英汉双解大词典》

7·Renewable sources of energy must be used.

可再生的能源必须利用。《柯林斯英汉双解大词典》

8·The whole of creation is made up of energy.

全宇宙是由能量构成的。《柯林斯英汉双解大词典》

9·He was a man of stupendous stamina and energy.

他是个有着一流耐力、精力充沛的人。《柯林斯英汉双解大词典》

10·He felt bright and cheerful and full of energy.

他感到兴高采烈，浑身充满活力。《牛津词典》

能源

1·A new filter can save on energy bills.

一个新的过滤器能节省能源开支。《柯林斯英汉双解大词典》

2·Renewable sources of energy must be used.

可再生的能源必须利用。《柯林斯英汉双解大词典》

3·One house is heated and cooled with geothermal energy.

一所房子是由地热能源供暖和制冷的。《柯林斯英汉双解大词典》

4·The factories have closed for the weekend to conserve energy.

这些工厂在那个周末关了厂以节省能源。《柯林斯英汉双解大词典》

5·The energy secretary will present the strategy tomorrow afternoon.

能源部长将于明天下午提出该策略。《柯林斯英汉双解大词典》

能量

1·The whole of creation is made up of energy.

全宇宙是由能量构成的。《柯林斯英汉双解大词典》

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

考试时准有关于能量的题目。《牛津词典》

3·Fruit is a convenient source of vitamins and energy.

水果是维生素和能量的便利来源。《牛津词典》

4·People should insulate their homes to conserve energy.

人们应该使住房隔冷以保存能量。《柯林斯英汉双解大词典》

5·On a global scale, 77% of energy is created from fossil fuels.

全球77%的能量产生自化石燃料。《牛津词典》

精力

1·It's a waste of time and energy.

那是浪费时间和精力。《牛津词典》

2·She was brimful of energy and enthusiasm.

她精力充沛，热情洋溢。《柯林斯英汉双解大词典》

3·She seemed invigorated, full of life and energy.

她看来生气勃勃，满怀生命力和精力。《柯林斯英汉双解大词典》

4·He has the physique and energy of a man half his age.

他有着小他一半年纪的人的体格和精力。《柯林斯英汉双解大词典》

5·Her energy and talent took her to the top of her profession.

她凭着充沛的精力和天赋的才能达到了事业的顶峰。《牛津词典》

能

1·She reused some bicycle parts and created a washing machine that saves time, energy and keeps people fit at the same time.

她重复使用了自行车的一些部件，发明了一种洗衣机，既省时省力，又能让人保持健康。

2·The intertube coupling causes the energy gaps to decrease for the electrons in the rope are less confined.

由于管束存在管间相互作用，电子的束缚度减小，导致能隙减小。

3·We talk about energy all the time - energy food, energy crisis, and so on.

我们时时刻刻讨论着能：“能量食物”，“能源危机”，等等。

4·The energy released by the nuclear reaction is transformed into heat.

核反应中释放出来的能被转变为热。

5·So they all feel the energy of mixing.

所以他们感觉到都是混合能。

活力

1·She's always full of energy.

她总是充满活力。《牛津词典》

2·He felt bright and cheerful and full of energy.

他感到兴高采烈，浑身充满活力。《牛津词典》

3·Her energy and youthful good looks belie her 65 years.

她的活力与年轻美貌使人看不出她有65岁了。《牛津词典》

4·He resented her inertia, her lack of energy and self-direction.

他讨厌她的懒惰、缺乏活力和自我。《柯林斯英汉双解大词典》

5·He looked up at his father, his features overflowing with energy and delight.

他抬头看着父亲，脸上洋溢着活力和喜悦。

精神

1·It would be sad if, having crammed our lives full of texting, tweeting and status updates, we no longer have the energy to speak to people who want to talk to us.

如果我们提不起精神跟想要跟我们交谈的人说话，因为生活已经被短信、微博和状态更新所填满，这是可悲的。

2·I now believe that energy does remain and that physical death is not a total death.

我现在终于相信精神永存，身体的死亡并不是生命的中介。

3·When people have eggs (mostly protein) for breakfast, versus bagels (all carbs), they feel more energy and eat less at the next meal.

早上吃鸡蛋(大部分是蛋白质)和百吉饼(都是碳水化合物)的人通常感到更精神，午餐也吃的更少。

4·My energy remained fairly good throughout the fast, and the hunger was easily manageable, even there was no break for long stretches of sleep.

在禁食期间，虽然由于多相睡眠的原因，我并没有大段的睡眠和休息时间，但饥饿感也并不是非常强烈而且精神状态一直良好。

5·In general, your surrounding should be peaceful, well-balanced, and harmonious. This will create the environment where your health and energy will flourish.

总而言之，生活、工作环境应该是平静和谐的。这样的环境能使你保持健康、精神矍铄。

(1)energy consumption[化]能量损耗

(1)energy saving节能，能源节省

(1)energy conservation能量守恒；能源节约

(1)solar energy太阳能

(1)new energy新能源

(1)high energy高能量；高能率