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

utilities的用法和样例：

例句

用作名词(n.)

Public utilities are carefully regulated here.公用事业在这里受到仔细的管理。
Some municipalities operate their own public utilities.有些城市自行经营自己的公用事业。
Most of the utilities units and general facilities have already been on operation for several months.许多公用工程设施在几个月前就已经投入运行了。
Carry out inspection and site operation activities of the steam and power generation unit and other utilities units pursuant to the instruction of the shift supervisor.在值班长的领导下，负责机组和公用工程装置的所有设备的巡回检查及现场操作。

词汇搭配

public utilities commission公用事业委员会...
city-owned utilities城市公用事业...
transportation utilities市内公共运输; 运输...
incommensurable utilities不可比效用
utilities average公用事业股票平均价格...
underground utilities(水电气等的) 地下...
public utilities公用事业

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