察，
;Police officers threw a cordon around his car to protect him.
察在他汽车周围设置了防卫
以保护他。
线；绶带；[建]束带层线围住；包围隔离线严；隔离Police officers threw a cordon around his car to protect him.
察在他汽车周围设置了防卫以保护他。
There is a tight security cordon around the area.
这一地区周围设有严密的安全。
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