pullyadj.具吸引力的pullv.拉；拖；牵；拔；吸引n.拉；拉力；引力；划船；影响力pull-up cold(补偿器) 冷态拉紧pullman strike普尔曼罢工事件pullout torque拔拉转矩pullout a nail拔出钉子pulled chicken去毛鸡,光鸡pull one's leg[生理](皮肤的)初感的,原始的, 初期的pull operation弹出操作pulling stress拉应力pull back foot把脚缩回pull of vacuum真空吸力