trackn.轨道;跑道;踪迹;小路;乐曲v.追踪;跟踪
track suitn.田径服;运动套装
track rope承载钢索,跑索
track race场地赛
track slab轨枕板
track shoen.钉鞋;跑鞋
track ball跟踪球
track hole输纸孔
track slip履带滑转
track etch径迹蚀刻
track path磁迹轨迹