out of service片语KK [aʊt ʌv ˋsɝvəs] /aʊt ʌv ˈsɝvəs/发音片语1故障、停用、无法使用The elevator has been out of service for almost two weeks.这部电梯已经故障将近两个星期了。2不载客、空车、非营运The bus drove past without stopping because it was out of service.那辆公车没有停靠,因为它不载客。3退役、除役These aircraft were taken out of service more than a decade ago.这些飞机十多年前就已经退役了。用这个字练口说→