痕迹,顾名思义,是指事物留下的痕迹或痕迹。然则除了这个词,追踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪踪