seal off
US /siːl ɔːf/
UK /siːl ɒf/
片語動詞
封鎖, 隔絕
to prevent people from entering or leaving an area, especially by using a physical barrier
範例:
•
Police have sealed off the street where the accident happened.
警察已經封鎖了事故發生的街道。
•
The area was sealed off for security reasons.
該區域因安全原因被封鎖了。