| 释义 |
N34635121grindstoneSpoken.10Fiction.38Magazine.32Newspaper.18Academic.23grindstone/ˈgraɪndstəʊn/noun 1a thick disc of stone or other abrasive material mounted so as to revolve, used for grinding, sharpening, or polishing metal objects （打磨、抛光金属物件的）磨石; 砂轮。
短语 keep one's nose to the grindstonework hard and continuously 一刻不停地拼命干。 -
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