glasspaper /ˈɡlɑːsˌpeɪpə/

• 1. 

  N strong paper coated with powdered glass or other abrasive material for smoothing and polishing (磨平或磨光用的)玻璃砂纸

• 2. 

  V to smooth or polish with glasspaper 用玻璃砂纸磨平或磨光