名词
中文翻译：钻头
同义词：
['bit', 'drill bit', 'drill', 'screwdriver']
例句：
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1. He used a drill to make holes in the wood.
他用钻头在木头上打孔。
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2. The carpenter needs a drill bit for his work.
木匠需要一把钻头来完成他的工作。
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3. The screwdriver is very useful for tightening screws.
螺丝刀对于拧紧螺丝非常有用。