英语词汇drill down怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	drill down
释义	drill down drill down phrasal verbphr v technical to get a more detailed level of information relating to something, when using a computer 向下钻取〔指利用计算机获得更详细的资料〕 → drill down at drill2(1)
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