名词
中文翻译：砂纸
同义词：
['stone', 'sandpaper', 'grinder例句：1. He used an emery countersink to smooth the surface of the stone.（他用砂纸打磨石头的表面。）']
例句：
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1. He used an emery countersink to smooth the surface of the stone.
他用砂纸打磨石头的表面。
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2.The carpenter used an emery countersink to remove the old paint from the wood.
木匠用砂磨机去除木头上的旧漆。
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3. The engineer used an emery countersink to smooth the edges of the machine parts.
工程师用砂磨机平滑机器零件的边缘。