他们已找到另外那个扬声器的连接点了。They've found out where the other speaker plugs in.舞台演出时，乐师实际上坐在扬声器后面演奏。Onstage, the musicians are actually sitting behind the loudspeakers.扬声器作为随身听的附加装置出售。Speakers are sold as add-ons for personal...
Water supplies and other public utilities were badly affected.供水以及其他公用事业受到了严重影响。The Public Utilities Commission inspects us once a year.公共事业委员会每年到我们这里视察一次。the administration of public utilities公共事业的管理...