sandpaper

/ˈsændˌpeɪpɚ/ 名词 C2

中文：砂纸、砂纸片

Strong paper coated with (traditionally) sand or (today) manufactured aluminum oxide, silicon carbide, or other abrasive material, used for smoothing and polishing. (uncountable) · Near-synonym: emery paper· They like to finish it off with a piece of 600-grit sandpaper before cleaning and painting.
A sheet of such paper. (countable) · I need a scraper and a sandpaper over here.

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