名词短语
中文翻译：钻头
同义词：
['drill', 'drill bit', 'large drill']
例句：
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1.The engineer used a big drill to make the hole.
工程师用一个大钻头来打孔。
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2. He needs a big drill to drill through the concrete.
他需要一个大钻头才能钻透混凝土。
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3. The construction crew is using a big drill to level the ground.
建筑工人正在使用一个大钻头来平整地面。