| 单词 | seal |
| 释义 | seal —seal /siːl/ noun [C] (ANIMAL) ► B2 a large mammal that eats fish and lives partly in the sea and partly on land or iceThesaurus+: ↑Marine mammals• • • Extra Examples:» a seal pup» The plan to cull large numbers of baby seals has angered environmental groups.» We could see seals on the rocks, basking in the sun.» We spied a seal from the shore.» We sailed past a group of seals.noun [C] (COVERING) F0 something fixed around the edge of an opening to prevent liquid or gas flowing through it: » Clean the seal on/around the fridge door regularly so that it remains airtight.Thesaurus+: ↑Coverings and layersF0 a thin piece of material such as paper or plastic that covers the opening of a container and has to be broken in order to open the container and use the contents Thesaurus+: ↑Coverings and layersnoun [C] (MARK) ► F0 an official mark on a document, sometimes made with wax, that shows that it is legal or has been officially approved: » The lawyer stamped the certificate with her seal.Thesaurus+: ↑Official documentsverb [T] (COVERING) ↑Verb Endings for seal C2 to close an entrance or container so that nothing can enter or leave it Thesaurus+: ↑Closing and blockingF0 to cover a surface with a special liquid to protect it: » This floor has just been sealed (with varnish), so don't walk on it!Thesaurus+: ↑Covering and adding layersC2 to close a letter or parcel by sticking the edges together: » Seal the package (up) with sticky tape.» He sealed (down) the envelope and put a stamp on it.Thesaurus+: ↑Closing and blocking• • • Extra Examples:» The top of the bottle is then sealed with green wax.» To ensure that the bottles of ink are not tampered with, the lids will be sealed with plastic.» Make sure that any gaps around the edge of the bath are sealed.» Seal the bags before they go in the freezer.» Food sealed in foil pouches lasts for a long time.verb [T] (MARK) ↑Verb Endings for seal ► F0 to make an agreement more certain or to approve it formally: » The two leaders sealed their agreement with a handshake.Thesaurus+: ↑Accepting and agreeing , ↑Accepting and agreeing reluctantly , ↑Approving and approval |
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