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  1. Oxford Dictionary

    O-ring

    • n.
      a gasket or seal in the form of a ring with a circular cross section, typically made of rubber and used especially in swivelling joints.

    • noun: O-ring, plural noun: O-rings

    • 相關詞

    ring-a-ring o' roses

    • n.
      a singing game played by children, in which the players hold hands and dance in a circle, ...

    Oxford Dictionary

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    O-ring

    • IPA[ˈō ˌriNG]
    • n.
      a gasket in the form of a ring with a circular cross section, typically made of pliable ...

    Oxford American Dictionary