footprint
- n. 足迹;脚印
英英释意
- 1. a mark of a foot or shoe on a surface;
- "the police made casts of the footprints in the soft earth outside the window"
- 2. a trace suggesting that something was once present or felt or otherwise important;
- "the footprints of an earlier civilization"
- 3. the area taken up by some object;
- "the computer had a desktop footprint of 10 by 16 inches"