spoor

n [C] track or scent left by a wild animal (enabling it to be followed) （野生动物的）足迹, 臭迹.

sponge-pudding, sponger, sponginess, sponging, spongy, sponsor, sponsorship, spontaneity, spontaneous, spontaneous combustion, spontaneously, spoof, spook, spookiness, spooky, spool, spoon, spoon-feed, spoonerism, spoonful, sporadic, sporadically, spore, sporran, sport, sportily, sportiness, sporting, sportive, sportively, sportiveness, sports car, sports jacket, sports writer, sports-editor, sportscast, sportsman, sportsmanlike, sportsmanship, sporty,