seal off
现在进行时
sealing off
过去式
sealed off
过去完成时
sealed off
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2
封锁, 封闭
to close a place or area to prevent people from entering or leaving
- The police had to seal off the area around the crime scene.
警方不得不封锁犯罪现场周围的区域。
- The emergency services sealed off the area to contain the outbreak.
紧急服务封锁了该地区以控制疫情。
- The entire neighborhood was sealed off while the investigation took place.
调查进行期间，整个社区被封锁了。
- Security had to seal off the perimeter to control the crowd.
安全人员不得不封锁周边以控制人群。
- The authorities quickly sealed off the bridge after the accident.
当局在事故发生后迅速封锁了桥梁。
同义词：
3
封锁, 密封
to block or stop the passage of something