名词短语
中文翻译：钻头
同义词：
['nailer', 'grinder']
例句：
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1. The carpenter used adrill to make holes in the wood.
木匠用钻头在木头上钻孔。
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2. Thesteel sharpener is essential for cutting throughtough materials.
钢磨石对于切割坚硬材料至关重要。
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3. The tool was so precise thatit could be used as a drillssteel sharpener.
这个工具非常精确，可以用作钻头和钢磨石。