footprints in the sand沙地足迹muddy footprints on the kitchen floor厨房地板上的泥脚印He could identify any animal from its footprints.Steps must be taken to reduce our carbon footprint.The detective found fresh footprints in the mud next to the victim.The intruder had left some clear footprints in the flower beds.The wet footprints led back to the pool.They had fled through the snow, and police had followed their footprints.a set of footprints in the sand