utilities的中文意思、音标与词形变化

n. 实用工具, 实用程序；公共事业设备；公用事业；公用程式（utility的复数）

n a company that performs a public service; subject to government regulation n the quality of being of practical use n the service (electric power or water or transportation) provided by a public utility n (economics) a measure that is to be maximized in any situation involving choice n (computer science) a program designed for general support of the processes of a computer n 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