rasp away (或off)

• 锉掉；刮去：

  We are going to rasp off the rough edges.

  我们要把粗糙的边锉掉。

  The waterfall rasped away the rock.

  瀑布冲磨掉岩石。

  The sharp corners of the table have been rasped off.

  桌子的尖角已经锉掉。