n.警戒线；哨兵线；饰带

v.围起警戒线

Demonstrators broke through the police cordon. 示威群众突破了警戒线。

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。

The police cordon was unable to hold back the crowd. 警方的警戒线阻挡不住人群。

Police cordoned off the area until the bomb was defused. 警方封锁了这个区域直至拆除炸弹的引信为止。

n.警戒线；哨兵线；饰带

v.围起警戒线

n.警戒线；哨兵线；饰带

v.围起警戒线