utility单词什么意思_utility单词解释 utility的反义词utility的例句

名词公用事业; 功用，效用; 有用的物体或器械; 公用事业公司

形容词有多种用途的; 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

1. utility：util; 实效

1. 功用;效用;实用
The utility of something is its usefulness.

e.g. Belief in the utility of higher education is shared by students nationwide...
全国的学生都相信高等教育是有用的。
e.g. He inwardly questioned the utility of his work.
他内心质疑自己的工作是否有用。

2. 公用事业
A utility is an important service such as water, electricity, or gas that is provided for everyone, and that everyone pays for.

e.g. ...public utilities such as gas, electricity and phones.
煤气、电和电话等公用事业

noun

1. the service (electric power or water or transportation) provided by a public utility

e.g. the cost of utilities never decreases
all the utilities were lost after the hurricane

2. 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

e.g. the price of the house included all utilities

3. the quality of being of practical use

Synonym: usefulness

4. (computer science) a program designed for general support of the processes of a computer

e.g. a computer system provides utility programs to perform the tasks needed by most users

Synonym: utility programservice program

5. a company that performs a public service
subject to government regulation

Synonym: public utilitypublic utility companypublic-service corporation

6. (economics) a measure that is to be maximized in any situation involving choice