英语词组seal off是什么意思，短语翻译、用法及例句-英语词组固定搭配大全

seal off

To close, bar entry to, or isolate something very tightly or securely. A noun or pronoun can be used between "seal" and "off"; often used in passive constructions. The building was sealed off after an outbreak of a deadly virus occurred in the laboratory. The country sealed its borders off in response to the massive surge in migrants in the last week. He's been sealed off in his room ever since he started writing that novel of his.

seal off

Also, seal up. Close tightly or barricade to prevent entry or exit. For example, We're sealing off the unused wing of the building, or The jar is tightly sealed up. Dating from the first half of the 1900s, this idiom uses seal in the sense of "close securely," as one used to do with a seal of wax.

seal off

1. To close tightly or surround something or someplace with a barricade or cordon: The government has sealed off its borders. The police surrounded the building and sealed it off.

2. To isolate someone or something: The remote location sealed the village off from the rest of the world.

词组	seal off
释义	Phr V seal off seals, sealing, sealed seal off sth or seal sth off to prevent people entering or leaving a place Police immediately sealed off the streets around the hotel as they searched for the bomb. phraseseal off1. seal off sth • *seal sth* off to stop people from entering a particular area or building, especially because it is dangerous: Police sealed off flooded areas so rescue workers could search for survivors. The East Germans built the Berlin Wall to seal off the border. The bank was immediately sealed off as experts tried to negotiate with the gunman.■ SIMILAR TO: cordon off, close off2. seal sb off to separate someone from something, especially something they would usually be involved in: For many years, China intentionally sealed itself off from the world economy. Albanians were sealed off from the world for 50 years by its Communist government■ SIMILAR TO: isolate seal off To close, bar entry to, or isolate something very tightly or securely. A noun or pronoun can be used between "seal" and "off"; often used in passive constructions. The building was sealed off after an outbreak of a deadly virus occurred in the laboratory. The country sealed its borders off in response to the massive surge in migrants in the last week. He's been sealed off in his room ever since he started writing that novel of his. seal off Also, seal up*. Close tightly or barricade to prevent entry or exit. For example, We're sealing off the unused wing of the building, or The jar is tightly sealed up. Dating from the first half of the 1900s, this idiom uses seal* in the sense of "close securely," as one used to do with a seal of wax. seal off v. 1. To close tightly or surround something or someplace with a barricade or cordon: The government has sealed off its borders. The police surrounded the building and sealed it off. 2. To isolate someone or something: The remote location sealed the village off from the rest of the world.
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