emery-paper

例句：

1. 1. He used an emery-paper to smooth the rough surface of the stone.
   他用砂纸把石头的表面打磨光滑。
2. 2.The carpenter used an emery-paper to sand down the edges of the wood.
   木匠用砂纸把木头的边缘磨平。
3. 3.The painter used an emery-paper to create a smooth finish on the wall.
   画家用砂纸在墙上制作平滑的涂层。