步行者,脚标
footer
n 1: (used only in combinations) the height or length of
something in feet; "he is a six-footer"; "the golfer
sank a 40-footer"; "his yacht is a 60-footer"
2: a person who travels by foot [syn: {pedestrian}, {walker}]
3: a printed note placed below the text on a printed page [syn:
{footnote}]