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同义词： bore bit borer rock drill
以上来源于: WordNet
It is not easy to drill a hole through the stone.
要在石头上钻个洞不容易。
youdao
Operate machine to drill holes in blocks or slabs of stone according to specifications.
操作机器，按规格在木块或石板上钻孔。
But they did see concentric grooves left by what they think was a drill with a tiny stone bit.
BBC: Prehistoric dentistry evidence found
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