Runby伦比runv.跑；行驶；运转；运营；持续；蔓延；传播；竞选；遭遇；熔化；褪色；流n.路程；奔跑；趋向adj.熔化的；浇铸的；洄游的run down the lane沿着跑道跑run up a score to对 ... 负债累累run in one's head螺旋夹run one's affairsrun to the groundvt.追赶动物直至巢穴run up the stairs沿楼梯往上跑run-on chapters章回接排run off the lines(火车)出轨run school by law依法治校run up an account赊欠,挂账,负债,登账