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

• 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。
• The plough dug a series of furrows across the field. He made ditches in the fields to draw off the water.
  犁穿过田地时挖出了一道道的犁沟。他在田里挖了沟以便排水。
• 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
• 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？
• 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。
• 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。
• The villagers had to draw off because of the flood.
  由于洪水的缘故，村民们不得不撤走。
• We have to draw off because of losses of forces.
  伤亡太大，我们不得不撤退。
• Doctors drew off a pint of his blood.
  医生从他身上抽了一品脱的血。
• 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）