单词 | drilling |
释义 | drilling drilling1 /dril"ing/, n. the act of a person or thing that drills. [1615-25; DRILL1 + -ING1] drilling2 /dril"ing/, n. drill3. [1630-40; alter. of G Drillich, itself alter. of L trilix triple-twilled (G dri- three- r. L tri-)] |
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