Pullann.普兰pullv.拉；拖；牵；拔；吸引n.拉；拉力；引力；划船；影响力pull up one's trouserspull-down transistor下拉晶体管pull-apart connector拉脱接头Pull a long face snoot吃苦耐劳愁眉苦脸pull -through winding拉入绕组pullman-car attendant美国式卧车列车员pull one's weight aboutPull the string taut.把线拉紧。pull-type rotary plow牵引式旋耕犁pull / pul/ vt.拉，拖；