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

• The Football Association is likely to call for a ban on alcohol at football games. draw off from the lees, as of wine.
  足协可能会要求足球比赛禁用酒类。
• Using capillary draw off a drop of amalgam and hang it to hanging mercury drop electrode, the hanging amalgam drop electrode used as the working electrode.
  用毛细管取一小滴汞齐挂于悬汞电极上，以悬汞电极作工作电极，用计时安培法在-0.2V下测定了锂、钙在汞中的扩散系数。
• And that starts to tell us where to draw off How many screens do we need?
  这开始启示我们从哪里去提取，我们需要多少屏幕？
• He made ditches in the fields to draw off the water.
  他在田里挖了沟以便排水。
• Draw off troops from a position
  把部队从阵地上撤走
• Design and Application about Bypass Draw off System at Fully-mechanized Coal Winning
  综放工作面旁路放水系统设计与应用
• 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。
• They had orders to draw off the army.
  他们接到命令撤走部队。
• 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。
• Doctors drew off a pint of his blood.
  医生从他身上抽了一品脱的血。