Drill

GRE TOEFL 考研

[编辑] 解释

n. 钻, 钻床
［英］ n. 钻, 钻床 ( machine with a detachable pointed end for making holes)
［类］ die : shaping / drill : boring ( 模具用来使成形 / 钻用来钻孔) bit : drill / blade : razor ( 钻靠钻头来钻 / 剃刀靠刀锋来刮)

I. verb

Etymology: Dutch drillen
Date: 1619
transitive verb
- 1.
  - a. to fix something in the mind or habit pattern of by repetitive instruction <drill pupils in spelling>
  - b. to impart or communicate by repetition <impossible to drill the simplest idea into some people>
  - c. to train or exercise in military drill
- 2.
  - a.
    - (1) to bore or drive a hole in
    - (2) to make by piercing action <drill a hole>
  - b. to shoot with or as if with a gun
  - c.
    - (1) to propel (as a ball) with force or accuracy <drilled a single to right field>
    - (2) to hit with force <drilled the batter with the first pitch>
intransitive verb
- 1. to make a hole with a drill
- 2. to engage in an exercise
? drillability noun
? drillable adjective
? driller noun

II. noun

Date: 1611
1. an instrument with an edged or pointed end for making holes in hard substances by revolving or by a succession of blows; also a machine for operating such an instrument
2. the act or exercise of training soldiers in marching and in executing prescribed movements with a weapon
3.
- a. a physical or mental exercise aimed at perfecting facility and skill especially by regular practice
- b. a formal exercise by a team of marchers
- c. the approved, correct, or usual procedure for accomplishing something ; routine
4.
- a. a marine snail (Urosalpinx cinerea) destructive to oysters by boring through their shells and feeding on the soft parts
- b. any of several mollusks related to the drill
5. a drilling sound

III. noun

Etymology: origin unknown
Date: 1644
a western African baboon (Mandrillus leucophaeus syn. Papio leucophaeus) having a black face and brown coat and closely related to the typical mandrills

IV. noun

Etymology: perhaps from drill small stream, from obsolete drill to trickle, drip
Date: 1727
1.
- a. a shallow furrow or trench into which seed is sown
- b. a row of seed sown in such a furrow
［b］［