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1. Oxford American Dictionary

   O-ring

   • IPA[ˈōˌriNG]

   美式

   • n.
     a gasket in the form of a ring with a circular cross section, typically made of pliable material, used to seal connections in pipes, tubes, etc.

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

2. • 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

3. • 更多解釋

   O-ring

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

   Oxford Dictionary