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

• Draw off from the lees, as of wine.
  像酒之类从酒糟中排除。
• Doctors drew off a pint of his blood.
  医生从他身上抽了一品脱的血。
• The experiments show that content of the p-nitrophenol could be attained the draw off standard of national.
  废水处理后，对硝基酚含量可达到国家规定的排放标准。
• 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。
• Draw off your gloves and wash your hands.
  摘掉你的手套洗洗手。
• Draw off another pint of beer, please.
  请再量出一品脱啤酒。
• To draw off ( a liquid) by piercing a hole in a cask or other container.
  钻孔汲取通过在桶或其它容器上钻孔来汲取（液体）
• 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 troops from a position They must get out of these areas.
  把部队从阵地上撤走他们必须撤离这些地区。