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。
• The idea is to seal off the landfill from the surrounding marshes and river, preventing any contaminated water "leachate" in the industry jargon from leaking out.
  这样做的初衷是密封垃圾，以防污水（专业术语叫“渗虑液”）渗出，污染周边的湿地和河流。
• Seal off a ten-block radius.
  封锁十个街区的半径范围。
• 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。
• You need to seal off the sub-basement.
  你需要封闭下级地下室。
• 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。
• MicroRNAs could be used to seal off human cells from disease-causing viruses, or to disable viruses that gain entry.
  小分子核糖核酸可以用来封闭人体细胞，使之免受致病病毒的侵扰，或者使病毒丧失侵入细胞的能力。
• A chunk of the Pont des Arts bridge fell away on Sunday night and the police were called to seal off the area which remains closed today.
  爱情桥的一大块在周日晚上坠落，警方接到通知封锁了该区域，到今日为止爱情桥仍处在关闭状态。
• We need to seal off this area.
  我们得封锁这一带。
• 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。