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drilling 音标拼音: [dr'ɪlɪŋ] n. 演练 演练 drilling n 1: the act of drilling [ synonym: { drilling}, { boring}] 2: the act of drilling a hole in the earth in the hope of producing petroleum [ synonym: { boring}, { drilling}, { oil production}] Drill \ Drill\, v. t. [ imp. & p. p. { Drilled}; p. pr. & vb. n. { Drilling}.] [ D. drillen to bore, drill ( soldiers); probably akin to AS. pyrlian, pyrelian, to pierce. See { Thrill}.] 1. To pierce or bore with a drill, or a with a drill; to perforate; as, to drill a hole into a rock; to drill a piece of metal. [ 1913 Webster] 2. To train in the military art; to exercise diligently, as soldiers, in military evolutions and exercises; hence, to instruct thoroughly in the rudiments of any art or branch of knowledge; to discipline. [ 1913 Webster] He [ Frederic the Great] drilled his people, as he drilled his grenadiers. -- Macaulay. [ 1913 Webster]
Drilling \ Drill" ing\, n. [ G. drillich, fr. L. trilix having three threads, fr. the of tres three licium a thread of the warm. See { Three}, and cf. { Twill}.] ( Manuf.) A heavy, twilled fabric of linen or cotton. [ 1913 Webster]
Drilling \ Drill" ing\, n. 1. The act of piercing with a drill. [ 1913 Webster] 2. A training by repeated exercises. [ 1913 Webster]
Drilling \ Drill" ing\, n. The act of using a drill in sowing seeds. [ 1913 Webster]
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