n.脚印；足迹
A visible mark, such as a footprint, made or left by the passage of a person, an animal, or a thing. 痕迹因人、动物或物体通过造成或留下的一可见记号，如脚印
A mold, as of a footprint, made for use in a criminal investigation. 印模在刑事侦察中所用而制作的印模，如脚印的印模
n.脚印
名词footprint的复数形式.
