draw off

英 [drɔː ɒf]

美 [drɔː ɔːf]

抽出; 排掉; 汲出

柯林斯词典

• PHRASAL VERB 抽出;排掉;汲出
  If a quantity of liquidis drawn offfrom a larger quantity, it is taken from it, usually by means of a needle or pipe.
  1. The fluid can be drawn off with a syringe...
     可用注射器将液体汲出。
  2. Doctors drew off a pint of his blood.
     医生从他身上抽了一品脱的血。

英英释义

verb

• remove by drawing or pulling
  1. She placed the tray down and drew off the cloth
  2. draw away the cloth that is covering the cheese
  Synonym:draw awaypull off
• remove (a commodity) from (a supply source)
  1. She drew $2,000 from the account
  2. The doctors drew medical supplies from the hospital's emergency bank
  Synonym:withdrawdrawtake out

双语例句

• We have to draw off because of losses of forces.
  伤亡太大，我们不得不撤退。
• He feinted on the way to draw off the Moorish army, flung his troops round the city, cut off its water supply and bombarded it with huge cannon and balls of flaming pitch.
  他一路佯攻击退摩尔军队，同时迅速派部队包围该城，切断供水，用大炮和燃烧的沥青球进行轰炸。
• By analyzing the constituent of draw off liquid of crop branch fibers, the effects of the liquid on the various properties of cement hydration such as the water reduce, the slow setting, the hydration heat as well as the strength of hydrated cement were studied.
  通过对农作物纤维浸出液的成分分析，并针对此浸出物对水泥的减水性能、缓凝性能的影响及对水泥水化热、水泥石强度的影响，进行了实验研究与分析。
• Draw off another pint of beer, please.
  请再量出一品脱啤酒。
• Exerting my utmost strength, I contrived to draw off the cover.
  我使出浑身力量，设法把盖子打开。
• To draw off ( liquid or gaseous matter) from a container.
  抽取从容器中抽出（液体或气体）
• When the enemy saw how strong our forces were, they draw off.
  敌人发现我们兵力是多么强大时，他们就撤退了。
• To draw off in the form of vapor.
  使挥发以蒸汽的形式排出。
• Quickly, draw off some hot water before the pipes burst.
  快，趁着管子还没迸裂，再排出些热水。
• We explored a new method to draw off stones in the research.
  本研究探索出一种新的取石方法。