utility/juːˈtɪl.ə.t̬i/名词公用事业;(电、煤气、铁路等)公共设施We each pay £500 in rent plus utilities.我们每人支付500英镑的房租加上水电费。有用性;(尤指)实用性The utility of this substance has been proven in a series of tests.这种物质的效用已经在一系列测试中得到证明。想跟读,去练习