N-UNCOUNT Sandpaper is strong paper that has a coating of sand on it. It is used for rubbing wood or metal surfaces to make them smoother. 砂纸
...a piece of sandpaper.
…一张砂纸。
In the texture category, the researchers tested metaphors such as "having a rough day" and "using coarse language," by giving people a puzzle to solve that was either smooth or covered in sand paper.
在有关质地的调查中，研究人员通过给人们猜一个或是表面光滑，或是用砂纸包裹的谜语，来测试诸如“不舒服的一天”、“讲粗鲁的话”等比喻。
Place the house sponge on the cinder block and place the brick with the carpenter's sponge sand paper and duct tape on top of the sponge.
将家用海绵放在空心渣煤砖上(作桌子用)，上面依次放置砖头、木匠用海绵、砂纸和胶带在海绵之上。
Sand paper or a wire brush on an electric drill.
砂纸或钢丝刷对一个电钻。
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