distance: n.1.距离，路程。2.远隔，远离；远处，远方。3.(时间的)间隔，长远，长久。4.悬殊。5.隔阂，疏远。6.【音】(二音间的)音程；【绘画】远景；【拳击】规定的比赛时间。短语和例子The distance between the two houses was exactly one mile. 两座房屋正好相隔一英里。 What's the distance from h
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
