relay: n.1.接替的马;驿马;接替的狗;(备有接替马匹的)旅馆。2.接替;接替人员;补给供应。3.分程递送;传达;转运;【军事】递骑;【体育】接力赛跑。4.【电学】替续器;【机械工程】继动器;【无线电】转播的无线电节目。短语和例子work in [by] relays 轮班工作。 a fresh relay of workers 刚接班的一批工人。 a key relay 键控继
application: n.1.适用,应用;运用。2.申请,请求;申请表格。3.勤勉,用功。4.敷用;敷用药。短语和例子a written application 申请书。 an application for admission (to a school) 入学申请。 fill out an application 填写申请表。 He shows very little application