;Police officers threw a cordon around his car to protect him.
警察在他汽车周围设置了防卫圈以保护他。
；[建]
；隔离Police officers threw a cordon around his car to protect him.
警察在他汽车周围设置了防卫圈以保护他。
There is a tight security cordon around the area.
这一地区周围设有
的安全警戒圈。
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