sandpaperWiktionary 原文英美/ˈsændˌpeɪpɚ/n.砂纸中文释义来自 ECDICT构词拆解sandsand词干paperpaper词干词源说明From sand + paper.释义名词noun1uncountableStrong paper coated with (traditionally) sand or (today) manufactured aluminum oxide, silicon carbide, or other abrasive material, used for smoothing and polishing.2countableA sheet of such paper.动词verb