足迹,脚印
是可数名词,举例如下：
He left footprints behind him on the sand.
他把脚印留在了身后的沙滩上.
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
足迹,脚印
是可数名词,举例如下：
He left footprints behind him on the sand.
他把脚印留在了身后的沙滩上.
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