cone off

• vt. 封锁

cone off的用法和样例：

例句

用作及物动词 (vt.)

1. Police sealed off all roads leading to the town.
   警察封锁了通向该城镇的所有道路。
2. 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。