power
单词辨析：
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。
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。
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。
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。
相关例句：
Human societies have the power to solve the problems confronting them
人类社会有能力解决面临的问题。
The money to build the power station ought to have been sufficient.
建设电站的资金本该足够了。
The powers that be, in this case the independent Television Association, banned the advertisement altogether
掌权的，在这件事中即独立的电视协会，干脆禁播了那则电视广告。
I had finally met my match in power and intellect.
我终于遇上了与我在力量与智力上不相上下的劲敌。
We must do everything in our power to ensure the success of the conference.
我们必须尽一切能力保证会议圆满成功。
In 1964 Labour came into power
工党于1964年上台。