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TOEFL IELTS BNC: 4259 COCA: 4021
seal
verb [T] /siːl/
present tense
I/you/we/theyseal
he/she/itseals
present participlesealing
past tensesealed
past participlesealed
  1. seal

    or

    seal up

    to close a container or space by covering it with something so that air or other substances cannot get in or out 封;密封
    seal something with something :

    Seal the box with tape. 用胶带封住盒子。

    Small gaps can be sealed with wax. 小裂缝可以用蜡封住。

     Synonyms and related words

phrasal verbs

See also
seal
noun [C] /siːl/
singularseal
pluralseals
  1. 1
    a large sea animal that eats fish and lives mainly in cold parts of the world. Seals are amphibious (=they can live both in water and on land). A young seal is called a pup. 海豹(一种大型海洋动物,以鱼为食,居于寒带,属两栖动物)
     Synonyms and related words
    Sea animals: conger eel, coral, cuttlefish...
  2. 2
    a piece of something such as wire or wax that seals a container and that you have to break before you can open the container (开启容器前需拆开的)封条,封蜡,火漆
     Synonyms and related words
    Lids and other parts of containers: bung, cap, compartment...
    1. a.
      a shaped piece of something such as rubber that closes a hole inside a machine so that air or other substances cannot get in or out 密封垫

      I replaced the seal, but oil is still leaking out. 我换了密封垫,但油还是外漏。

       Synonyms and related words
  3. 3
    a special mark that you put on something, for example a document, to show that it is legal or official 印记;印章;图章
     Synonyms and related words
See also
SEAL
noun
  1. From our crowdsourced Open Dictionary
    sea air and land team: a member of an elite force in the US or other navy that carries out special operations

    The Thai Seals themselves went above and beyond. I would class them as heroes.

    Submitted from United Kingdom on 11/07/2018

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