a tool or machine with a rotating cutting tip or reciprocating hammer or chisel, used for making holes 钻头,冲子;钻床,钻机 ■such a tool used by a dentist for cutting away part of a tooth before filling it (牙科)钻头
[mass noun]instruction or training in military exercises (军事)训练,操练 parade-ground drill. 阅兵场操练。 ■intensive instruction or training in something, typically by means of repeated exercises (强化)训练,(反复)操练 tables can be mastered by drill and practice. 九九表可通过训练和练习来掌握。 [count noun]language-learning drills. 语言练习。 ■[count noun]a rehearsal of the procedure to be followed in an emergency 演习 air-raid drills. 防空演习。 ■(the drill)(informal)the correct or recognized procedure or way of doing something (非正式)规定程序,正确方法,常规 he didn't know the drill. 他不知道规定程序。
a predatory mollusc that bores into the shells of other molluscs in order to feed on the soft tissue 尾管螺
Family Muricidae, class Gastropoda: several genera and species, in particular the American oyster drill (Urosalpinx cinerea), which is a serious pest of oyster beds 骨螺科,腹足纲:数属和数种,特别是美洲的灰白尾管螺(拉丁名Urosalpinx cinerea),对牡蛎养殖场危害严重
verb [with obj.]
produce (a hole) in something by or as if by boring with a drill 钻(孔),打(眼) drill holes through the tiles for the masonry pins. 在瓷砖上打眼来钉水泥钉。 ■make a hole in (something) by boring with a drill 在…上钻孔(或打眼) a power tool for drilling wood. 在木头上钻孔的一种电动工具。 ■[no obj., with adverbial of direction]make a hole in or through something by using a drill 打眼,钻孔 do not attempt to drill through a joist. 不要试图在托梁上钻孔。 his eyes drilled into her. 他的目光探进了她的内心。 ■[no obj.]sink a borehole in order to obtain a certain substance, typically oil or water 钻井勘探(某物,尤指水或油) BP has been licensed to drill for oil in the area. 英国石油公司获得许可在此区域钻探石油。 [as noun drilling]drilling should begin next year. 钻探将于明年开始。 ■(of a dentist) cut away part of (a tooth) before filling it (镶补前)在(牙齿)上钻洞 ■[with obj. and adverbial of direction](informal)(of a sports player) hit (a shot) hard and in a straight line (非正式)(运动员)用力直线击(球) he drilled a right-foot volley into the back of the net. 他右脚凌空抽射,球直入网底。
subject (someone) to military training exercises (军事)操练,训练 a sergeant was drilling new recruits. 一个军士在训练新兵。 ■[no obj.](of a person) take part in such exercises (参加)操练,训练 the troops were drilling. 军队正在操练。 ■instruct (someone) in something by the means of repeated exercises or practice 通过反复练习教会(某人) I reacted instinctively because I had been drilled to do just that. 我本能地作出反应,因为我一直被训练这样去做。 ■(drill something into)cause (someone) to learn something by repeating it regularly 通过反复讲解灌输 his mother had drilled into him the need to pay for one's sins. 他母亲反复地给他灌输恶有恶报的必然性。
[no obj.](drill down)(Computing)access data which is in a lower level of a hierarchically structured database (计算机)提取多级数据库的低层数据
派生 driller noun 语源
early 17th cent.: from Middle Dutch drillen 'bore, turn in a circle'
drill2 noun
a machine which makes small furrows, sows seed in them, and then covers the sown seed 条播机 ■a small furrow, especially one made by such a machine 条播犁沟 ■a ridge with such a furrow on top 条播垄沟 ■a row of plants sown in such a furrow (一排)条播作物 drills of lettuces. 一排排的条播莴苣。
verb
[with obj.](of a person or machine) sow (seed) with a drill (人,机器)条播(种子) crops drilled in autumn. 秋季条播的作物。 ■plant (the ground) in furrows 在(土地)上条播 [as noun drilling]accurate ridging and drilling make hoeing much easier. 精确的翻地作垄和条播使锄草简单了许多。
语源
early 18th cent. (as a noun in the sense 'small furrow'): perhaps from drill
drill3 noun
a dark brown baboon with a short tail and a naked blue or purple rump, found in the rainforests of West Africa 黑面狒狒,鬼狒。 比较 mandrill
Mandrillus leucophaeus, family Cercopithecidae 拉丁名Mandrillus leucophaeus,猴科
语源
mid 17th cent.: probably a local word. Compare with mandrill
drill4 noun
[mass noun]a coarse twilled cotton or linen fabric 粗斜纹布(棉或麻)
语源
early 18th cent.: abbreviation of earlier drilling, from German Drillich, from Latin trilix 'triple-twilled', from tri- 'three' + licium 'thread'