03460297-n
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| 磨, 磨石, 旋转磨石, 旋转 磨石, 磨刀石, 错, 磨子 |
| grindstone |
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a revolving stone shaped like a disk; used to grind or sharpen or polish edge tools |
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03766935-n
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one of a pair of heavy flat disk-shaped stones that are rotated against one another to grind the grain |
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02668613-n
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a primitive stone artifact (usually made of sandstone) used as an abrader |
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04577426-n
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a flat stone for sharpening edged tools or knives |
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03530511-n
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| 磨石, 细 磨刀石, 细磨刀石, 磨刀石 |
| hone |
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a whetstone made of fine gritstone; used for sharpening razors |
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09305229-n
(1)
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| 磨 甲板 沙石, 磨石, 磨甲板沙石 |
| holystone |
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a soft sandstone used for scrubbing the decks of a ship |
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