seal off
短语把...封锁起来 [经] 封印破损
词形变化
sealed off
sealing off
seals off
三单
seals off
sealing off
现在分词
sealed off
过去式
sealed off
过去分词
释义与例句
v.
-
1.
To physically isolate an area or building for security reasons preventing passage of humans or vehicles.
及物Police sealed off the building following an anonymous bomb warning.