PHRASAL VERB If police or soldiers cordon off an area, they prevent people from entering or leaving an area. 封锁
Police cordoned off part of the city centre.
警察封锁了市中心的部分地区。
The police cordoned everything off.
警察封锁了一切。
The final footage of him alive shows him walking past the line of police dog handlers, who have formed a cordon blocking off Royal Exchange passage.
他生前的最后一段画面显示他走过一列牵着警犬、围成警戒线堵住人群的警察。
A 200m cordon was put in place, cutting off one of London's major transport arteries and causing further traffic chaos, after reports of the suspicious vehicle.
在报道有可疑车辆后，一条200米长的警戎线切断了伦敦一条主要的交通要道，造成更大的交通混乱。
That, I assumed, would cordon me off from the Net and keep me from spreading the bug while I figured out how to get rid of it.
我想这样一来就可以切断与因特网的联系，不至于传播病毒，再想办法清除。
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