Pullann.普兰pullv.拉；拖；牵；拔；吸引n.拉；拉力；引力；划船；影响力pull- out experiment拉拔试验pulling down the house拆迁pull sb. by the hand拉着某人的手pull and stretch parts拉深件pull ... up from把 ... 从 ... 拉上来pull out all the stops弹动风琴所有的音栓； 全力以赴Pulls Width Modulation脉宽调制pull a respectable oar表现出色Pull-and-out block牵引复滑车pull the labouring oarvi.担任最繁重的工作