名词
中文翻译：岩石钻头插入物
同义词：
['rock drill', 'rock drill insert', 'rock drill bit']
例句：
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1.The engineer used a rock drill to bore a hole in the rock.
工程师用岩石钻头在岩石中钻孔。
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2.The rock drill insert was designed to fit perfectly into the drill bit.
岩石钻头插入物设计成能完美地适配钻头。
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3.The rock drill insert is essential for drilling through solid rock.
岩石钻头插入物对于钻穿坚硬的岩石至关重要。