n.警戒線；哨兵線；飾帶

v.圍起警戒線

Demonstrators broke through the police cordon. 示威群眾突破了警戒線。

There is a tight security cordon around the area. 這一地區(qū)周圍設(shè)有嚴(yán)密的安全警戒圈。

The police cordon was unable to hold back the crowd. 警方的警戒線阻擋不住人群。

Police cordoned off the area until the bomb was defused. 警方封鎖了這個(gè)區(qū)域直至拆除炸彈的引信為止。