新东方-柯林斯雅思备考词典

power

英  [paʊə]
    

[ADJ, NOUN, VERB]

    ADJ. 形容词
  • 1电动的

    Power tools are operated by electricity.

    双语例句

    例:

    large power tools, such as chainsaws.

    大型电动工具,如链锯。

    NOUN. 名词
  • powers

    1[U 不可数名词] 权力

    If someone has power, they have a lot of control over people and activities.

    双语例句

    例:

    In a democracy, power must be divided.

    在民主政体中,权力必须被分散。

    例:

    a political power struggle between the Liberals and National Party.

    一场自由党与国家党之间的政治权利斗争。

    2[U 不可数名词] 能力

    Your power to do something is your ability to do it.

    双语例句

    例:

    Human societies have the power to solve the problems confronting them.

    人类社会有能力解决他们面临的问题。

    例:

    Fathers have the power to dominate children and young people.

    父辈们有控制孩子们和年轻人的能力。

    3[U 不可数名词] 能力范围

    If it is in or within your power to do something, you are able to do it or you have the resources to deal with it.

    双语例句

    例:

    Your debt situation is only temporary, and it is within your power to resolve it.

    你的债务状况只是暂时的,你有能力解决好。

    4[U 不可数名词] (法律赋予的)权力

    If someone in authority has the power to do something, they have the legal right to do it.

    双语例句

    例:

    The police have the power of arrest.

    警察有逮捕权。

    5[U 不可数名词] 政权

    If people take power or come to power, they take charge of a country's affairs. If a group of people are in power, they are in charge of a country's affairs.

    双语例句

    例:

    Idi Amin came into power several years later.

    伊迪·阿明几年后执掌了政权。

    例:

    He first assumed power in 1970.

    他于1970年首次执掌了政权。

    6[C 可数名词] 强国

    You can use power to refer to a country that is very rich or important, or has strong military forces.

    双语例句

    例:

    the emergence of the new major economic power, Japan.

    新兴重要经济强国日本的崛起。

    7[U 不可数名词] 动力

    The power of something is the ability that it has to move or affect things.

    双语例句

    例:

    The vehicle had better power, better tyres, and better brakes.

    这种车辆的动力、轮胎和刹车都更好。

    例:

    massive computing power.

    强大的计算能力。

    8[U 不可数名词] (尤指电)能量

    Power is energy, especially electricity, that is obtained in large quantities from a fuel source and used to operate lights, heating, and machinery.

    近义词

    energy

    双语例句

    例:

    Nuclear power is cleaner than coal.

    核能比煤更清洁。

    例:

    Power has been restored to most parts that were hit last night by high winds.

    昨夜受到强风袭击的大部分地区已经恢复了供电。

    例:

    Solar power is an example of a renewable source of energy.

    太阳能是一种典型的再生能源。

    9[SING 单数型名词] 次方

    In mathematics, power is used in expressions such as 2 to the power of 4 or 2 to the 4th power to indicate that 2 must be multiplied by itself 4 times. This is written in numbers as 2⁴, or 2 x 2 x 2 x 2, which equals 16.

    双语例句

    例:

    Any number to the power of nought is equal to one.

    任何一位数的零次方等于一。

    例:

    A trillion is 10 raised to the 12th power.

    一万亿等于10的12次方。

    PHRASAL VERB. 短语动词
  • power up

    1[PHRASAL 短语] 将…接通电源

    When you power up something such as a computer or a machine, you connect it to a power supply and switch it on.

    近义词

    switch on

    双语例句

    例:

    Simply power up your laptop and continue work.

    只要把你的手提电脑接通电源就能继续工作。

    VERB. 动词
  • powers , powering , powered

    1[T 及物动词] 为…提供动力

    The device or fuel that powers a machine provides the energy that the machine needs in order to work.

    近义词

    operate

    双语例句

    例:

    The 'flywheel' battery, it is said, could power an electric car for 600 miles on a single charge.

    据说,“飞轮”电池每充电一次可驱动一辆电动汽车行驶600英里。

    例:

    Vehicles can be powered by hydrogen and batteries.

    机动车可由氢和电池提供动力。