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