资料来源 : pyDict

擦子

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Eraser \E*ras"er\, n.
   One who, or that which, erases; esp., a sharp instrument or a
   piece of rubber used to erase writings, drawings, etc.

资料来源 : WordNet®

eraser
     n : an implement used to erase something