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 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。
• The enemy's heavy losses forced them to draw off.
  敌军伤亡惨重，被迫撤退。
• 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
• 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？
• Exerting my utmost strength, I contrived to draw off the cover.
  我使出浑身力量，设法把盖子打开。
• 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 from the lees, as of wine.
  像酒之类从酒糟中排除。
• 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。
• To draw off ( liquid or gaseous matter) from a container.
  抽取从容器中抽出（液体或气体）