utility
英 [ju:ˈtɪləti] 美 [juˈtɪləti]

n.

功用，效用；有用的物体或器械；公用事业公司；公用事业

adj.

有多种用途的；各种工作都会做的；能在数个位置作替补的；为获得经济价值而饲养

变形

复数：utilities

双语释义

n.(名词)

1. [U] 功用,效用 quality of being useful
2. [P] 公用事业 any useful service for the public, such as supplies of water to the home, the bus services, etc.

英英释义

utility[ ju:'tiləti ]

• n.
  • a company that performs a public service; subject to government regulation

    同义词：public utilitypublic utility companypublic-service corporation

  • the quality of being of practical use

    同义词：usefulness

  • the service (electric power or water or transportation) provided by a public utility
  • (economics) a measure that is to be maximized in any situation involving choice
  • (computer science) a program designed for general support of the processes of a computer

    "a computer system provides utility programs to perform the tasks needed by most users"

    同义词：utility programservice program

  • a facility composed of one or more pieces of equipment connected to or part of a structure and designed to provide a service such as heat or electricity or water or sewage disposal
• adj.
  • used of beef; usable but inferior

    同义词：utility-grade

  • capable of substituting in any of several positions on a team

    "a utility infielder"

    同义词：substitute(a)

词汇搭配

用作名词 (n.)动词+～

• increase utility提高效用
• lose utility失去效用

形容词+～

• a great utility很有用
• a little utility实用性很小
• marginal utility边际效用
• practical utility实用性
• public utility公用事业
• economic utility经济效用

～+名词

• utility vehicle多用途车辆

～+介词

• utility in winter在冬天的用处

词组短语

utility model实用新型（约十个国家法律承认的一种保护发明名称，期限五年）

public utility公用设施；公用事业公司

utility function效用函数；应用函数

utility value实用价值，利用价值

utility theory效用理论

marginal utility边际效用

utility boiler电站锅炉，动力锅炉；公用锅炉

utility system实用系统；应用系统；公用系统

expected utility期望效用

utility vehicle多用途运载车

utility ratio利用率；实用率

utility program[计]应用程序；通用程序；实用程序

utility maximization效用极大化，效用最大值；极大化

electric utility电气设施；电业

sport utility vehicle运动型多用途车

total utility[经济]总效用；总效果

social utility社会效用；社会福利事业

utility company公用事业公司

economic utility经济效用

practical utility实用性；实用价值

更多收起词组短语

双语例句

用作名词(n.)

1. I have always doubted the utility of these conferences on disarmament.
   我一直怀疑这些裁军会议的效用。
2. Their research project has limited practical utility.
   他们的研究项目实用价值很有限。
3. Does your rent include utilities?
   房租包括水电和煤气的费用吗？
4. Utility prices, including water, electricity, gas, rose by 5.6 per cent.
   水、电、煤气在内的公用事业价格都上涨了5.6%。
5. This utility can be run only in safe mode.
   此应用程序仅可在安全模式下运行。

权威例句

Utility, Probability, and Human Decision Making
A theory of anticipated utility
Staggered prices in a utility-maximizing framework
Staggered prices in a utility-maximizing framework
Myopia and Inconsistency in Dynamic Utility Maximization
Phylogenetic utility of the internal transcribed spacers of nuclear ribosomal DNA in plants: an example from the compositae.
Cardinal Welfare, Individualistic Ethics, and Interpersonal Comparisons of Utility
Validation and utility of a self-report version of PRIME-MD: the PHQ primary care study. Primary Care Evaluation of Mental Disorders...
Storage management and caching in PAST, a large-scale, persistent peer-to-peer storage utility
Cloud computing and emerging IT platforms: Vision, hype, and reality for delivering computing as the 5th utility