沙紙
Sandpaper \Sand"pa`per\, n. Paper covered on one side with sand glued fast, -- used for smoothing and polishing. Sandpaper \Sand"pa`per\, v. t. To smooth or polish with sandpaper; as, to sandpaper a door.
sandpaper n : stiff paper coated with powdered emery or sand [syn: {emery paper}] v : rub with sandpaper; "sandpaper the wooden surface" [syn: {sand}]