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

• 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。
• To draw off in the form of vapor.
  使挥发以蒸汽的形式排出。
• Design and installation of the fireproof draw off valve in the tank section is the problem that the people little thought of always, although having some provision in related standard.
  罐区防火排水阀的设计和安装始终是人们容易忽略的问题，虽然在相关的标准中有一些规定，如多数罐区排水阀都安装在紧贴防火墙外。
• We have to draw off because of losses of forces.
  伤亡太大，我们不得不撤退。
• Draw off your gloves and wash your hands.
  摘掉你的手套洗洗手。
• 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。
• 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？
• A minor crime like shoplifting draw off from the lees, as of wine.
  入店行窃之类的小罪像酒之类从酒糟中排除。
• 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。