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

• 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。
• You need to seal off the sub-basement.
  你需要封闭下级地下室。
• Seal off a ten-block radius.
  封锁十个街区的半径范围。
• The main function of Linclion pump is to seal off the lubricator.
  林肯泵主要作用是密封注油头。
• We need to seal off this area until the police can make a full investigation.
  我们得封锁这一带，直到警察进行了充分的调查为止。
• 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 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。
• The captain wants to seal off all critical areas of the ship.
  舰长要封锁舰上所有重要区域。
• 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。
• We must seal off the passages which produce them.
  我们要把产生这种歪风的洞塞死。