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 fluid can be drawn off with a syringe
  可用注射器将液体汲出。
• Doctors drew off a pint of his blood.
  医生从他身上抽了一品脱的血。
• 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。
• 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
• 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。
• They had orders to draw off the army.
  他们接到命令撤走部队。
• To draw off in the form of vapor.
  使挥发以蒸汽的形式排出。
• Draw off troops from a position
  把部队从阵地上撤走
• 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。