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  1. drilling

    • IPA[ˈdrɪlɪŋ]

    英式

    • n.
      the action of making a hole in something by boring with a drill;the action of sinking a borehole in order to obtain oil or water
    • noun: drilling

    • 釋義

    名詞

    • 1. the action of making a hole in something by boring with a drill the windows vibrated all day from the sound of drilling
    • the action of sinking a borehole in order to obtain oil or water drilling should begin next year
    • the action of cutting away part of a tooth before filling it some new dental technologies have eliminated the use of drilling
    • 2. instruction or training in military exercises our days often began with military drilling