英语释义
1. paper covered on one side with abrasive material (such as sand) glued fast and used for smoothing and polishing
2. to rub with or as if with sandpaper
3. stiff paper that has a rough surface on one side and that is rubbed against something (such as a piece of wood) to make it smooth
4. to make (something) smooth by rubbing it with sandpaper
5. paper that has rough material (as sand) glued on one side and is used for smoothing and polishing