名词 footprint:
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a mark of a foot or shoe on a surface
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a trace suggesting that something was once present or felt or otherwise important
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the area taken up by some object
用作名词 (n.)
- The child's feet printed the sand.
孩子的脚在沙滩上留下了足迹。
- Paw print, or pugmark, tracing is another common technique for counting tigers.
爪印和老虎的足迹同样是常用的计算老虎数量的方法。
