cordon [ˈkɔ:dn]
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基本释义
n.警戒线,哨兵线
英英释义
a line of police , soldiers , vehicles , etc . positioned around a particular area in order to prevent people from entering it
参考例句
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. 这一地区周围设有严密的安全警戒圈。
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