seal off

英 [siːl ɒf]

美 [siːl ɔːf]

封闭; 封锁; 隔离

经济

柯林斯词典

• PHRASAL VERB 封闭;隔离
  If one object or areais sealed offfrom another, there is a physical barrier between them, so that nothing can pass between them.
  1. Windows are usually sealed off.
     窗户通常是封闭的。
  2. ...the anti-personnel door that sealed off the chamber.
     将会议室隔离起来以防外人进入的门
• → see:seal 7

英英释义

verb

• impose a blockade on
  Synonym:blockade
• make tight
  1. seal the windows
  Synonym:seal

双语例句

• Civil engineering ( 3%), residential houses ( decorative cloth), construction field ( high strength and toughness, moisture and water proof and so on), as well as fabrics used to seal off road.
  土木工程（3%），住宅（装潢布）、建筑工地（高强韧性、防湿防水等），又如道路隔绝水等织物。
• Adding the swelling agent in the slurry and adopting the opening WOC technology in the casing, to eliminate the micro-fractures or pores caused by the inner pressure and the inflation-contraction feature of the cement slurry, to seal off the annular.
  在水泥浆中引入膨胀剂和套管内敞压候凝技术，消除因内部压力和水泥浆固有的膨胀-收缩特性而造成的微裂缝-微孔隙，实现环空密封。
• Seal off a ten-block radius.
  封锁十个街区的半径范围。
• It did not seem tp occur to the police to seal off the entrance or order nobody to leave.
  警察似乎没有想到应封锁各入口处或命令任何人不得离开。
• That's why we needed to seal off as many rooms as possible.
  所以我们必须尽可能多的封锁房间。
• Seal off the city from all outside contact to stop the spread of the plague.
  封城，隔绝此城与外界的接触，以避免瘟疫的扩散。
• You better get up there and seal off the damaged section!
  你最好快给我上到那去并封闭那该死的气压舱！
• Seal off all affected decks.
  封闭所有涉及到的甲板。
• The enemy made a desperate attempt to seal off the gap through which we had burst.
  敌人拼命想堵住我们已经冲开的那个突破口。
• Field applications show that the slurry can seal off long open holes of low formation pore pressures and achieve good cementing quality.
  现场应用表明，该水泥浆体系解决了桩西油田地层压力低、封固段长和固井质量差的问题。