spot

n.点；地点 vt.认出；玷污 vi.沾上污点

sporadic, sporadically, spore, sporran, sport, sportily, sportiness, sporting, sportive, sportively, sportiveness, sports car, sports jacket, sports writer, sports-editor, sportscast, sportsman, sportsmanlike, sportsmanship, sporty, spot cash, spot check, spot welding, spot-on, spotless, spotlessly, spotlessness, spotlight, spotter, spotty, spouse, spout, sprain, sprang, sprat, sprawl, spray, spray-gun, spread, spread eagle,