| 词汇 | seal |
| 释义 | phraseseal[sealed, sealed, sealing] seal in seal in sth • seal sth in to stop something from leaving the thing it is contained in: Seal in the juices by frying the meat first. The cream seals in moisture, and protects your skin from harmful UV rays. seal off 1. 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 up seal up sth • seal sth up to fasten or block something so that nothing can get in or out: Grandpa sealed up the cellar doorway with bricks. I packed the vase into a polystyrene box, and sealed it up with sellotape. seal something (up) (with something)to fasten something closed with something. Please seal this box up with twine. Would you seal up this box with tape?
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