power

n. 力, 体力, 力量, 势力, 动力, 权力, 强国, 乘方, 强度, 幂, 功率
vt. 使...有力量, 供以动力, 激励
【计】 乘幂; DOS外部命令:能控制许多电池电源计算机上的电源管理特性
【化】 功率; 动力
【医】 功率, 力
【经】 权力, 动力, 能力
相关词组:
have sb in one's power
do everything in one's power to help
have power over
come into power

动词过去式:powered 过去分词:powered 现在分词:powering 第三人称单数:powers 

pow.er

n.Abbr. pwr.（名词）缩写 pwr.
The ability or capacity to perform or act effectively.
权力：有效地执行或行动的能力或才能
Often powers A specific capacity, faculty, or aptitude:
常作 powers 才能：一种具体的能力、天赋或才能：
例句：
her powers of concentration.
他集中注意力的能力

Strength or force exerted or capable of being exerted; might.See Synonyms at strength
力量，强力：施加或能够被施加的能力或力量；权力参见 strength
The ability or official capacity to exercise control; authority.
权威：实行控制的能力或官方的权力；权威
A person, group, or nation having great influence or control over others:
有势力者，有力的组织，强国：对他人或他国具有极大影响力或控制力的人、集团或国家：
例句：
the western powers.
西方列强

The might of a nation, political organization, or similar group.
势力：一个国家、政治组织或类似集团的势力
Forcefulness; effectiveness:
有说服力，深刻：有力；有效：
例句：
a novel of unusual power.
极具说服力的小说

Chiefly Upper Southern U.S. A large number or amount.See Regional Note at powerful
【多用于美国中南部】 众多，大量参见 powerful


The energy or motive force by which a physical system or machine is operated:
动力：使人体系统或机器运转的能量或动力：
例句：
turbines turned by steam power; a sailing ship driven by wind power.
用蒸汽力转动涡轮机；帆船靠风力行驶

The capacity of a system or machine to operate:
操作：使系统或机器运转起来的能力：
例句：
a vehicle that runs under its own power.
自动操控的汽车

Electrical or mechanical energy, especially as used to assist or replace human energy.
电能，机械能：电能或机械能，尤指用来协助或代替人力的能
Electricity supplied to a home, building, or community:
电力供应：供给家庭、建筑物或社区的电力：
例句：
a storm that cut off power to the whole region.
切断了整个地区电力供应的暴风雨

Physics The rate at which work is done, expressed as the amount of work per unit time and commonly measured in units such as the watt and horsepower.
【物理学】 功率：做功的速率，用每单位时间内所做的功的量来表示，通常用瓦特和马力为单位
Electricity
【电学】
The product of applied potential difference and current in a direct-current circuit.
电路：直流电路中的实际电位差与电流的乘积
The product of the effective values of the voltage and current with the cosine of the phase angle between current and voltage in an alternating-current circuit.
伏特量：交流电路中电压与电流的有效值以及电流与电压之间相位角的余弦之乘积
Mathematics
【数学】
See exponent
参见 exponent
The number of elements in a finite set.
指数：有限数列中元素的数量
Statistics The probability of rejecting the null hypothesis where it is false.
【统计学】 推翻假设的机率：推翻错误处无用假设的可能性
A measure of the magnification of an optical instrument, such as a microscope or telescope.
倍率：光学仪器，如显微镜或望远镜的放大倍数
powers Theology The sixth of the nine orders of angels.
powers 【神学】 九级天使中的第六级
Archaic An armed force.
【古语】 武装部队
adj.（形容词）
Of or relating to political, social, or economic control:
权力的：关于政治、社会或经济控制的：
例句：
a power struggle; a power base.
权力争斗；权力基础

Operated with mechanical or electrical energy in place of bodily exertion:
机械能的，电动的：用机械动力或电能代替人力来驱动的：
例句：
a power tool; power car windows.
电动工具；电动车窗

Of or relating to the generation or transmission of electricity:
以电力传送的：关于电力发动或电力输送的：
例句：
power companies; power lines.
电力公司；电路

Informal Of or relating to influential business or professional practices:
【非正式用语】 专业的，有效的：有影响力的商业机构或职业实践的或与其有关的：
例句：
a pinstriped suit with a power tie; met with high-level executives at a power breakfast.
一套配有醒目领带的横条纹西装；在早餐会上会见高级主管

v.tr.（及物动词）
pow.ered,pow.er.ing,pow.ers
To supply with power, especially mechanical power.
运转：提供动力，尤指机械动力

<习惯用语>powers that be
Those who hold effective power in a system or situation:
掌权者：在某一系统或职位中掌握实权的人：
例句：
a plan vetoed by the powers that be.
被掌权者们否决了的计划

来源：
Middle English
中古英语
from Old French poeir [to be able, power]
源自 古法语 poeir [能够，权力]
from Vulgar Latin *potôre [to be able]
源自 俗拉丁语 *potôre [能够]
from potis [able, powerful] * see poti-
源自 potis [有能力的，有权势的] *参见 poti-