英语词汇“rock drill”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	rock drill
释义	rock drill noun : a machine (as a hammer drill or piston drill) for making holes in rock
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英语词典包含332784条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。