public utility

n. 公用事业
(复）public utilities：公共事业股

例句与用法：

A commodity or service, such as electricity, water, or public transportation, that is provided by a public utility.

公用事业由公用事业公司提供的商品或服务，如电力，水和公共交通

详细释义：

ph.

1. 公共事业公司

2. (常复数)公共事业所发行的股票或债券