晴空,朗照
footprints:名词 n.1.(尤指软地上的)脚印,足迹;(地板上的)脚印,鞋印 distinct footprints in the mud烂泥里清楚的脚印footprints found near the murder scene在凶杀现场附近发现的脚印footprints left in the hard dried mud留在干硬泥地上的脚印He squatted down beside the footprints and examined them closely.他蹲在脚印旁仔细地观察。2.<商>(建筑物或设备,尤指计算机)占用的空间3.<术>(尤指来自卫星的)广播信号覆盖区