utility的中文意思、音标与词形变化

n. 功用, 有用之物, 实用, 公用事业, 实用程序 a. 实用的, 有多种用途的 [计] 实用程序, 工具

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