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  1. trunnion

    • IPA[ˈtrʌnjən]

    英式

    • n.
      a pin or pivot forming one of a pair on which something is supported.;a supporting cylindrical projection on each side of a cannon or mortar.
    • noun: trunnion, plural noun: trunnions

    • 更多解釋
    • IPA[ˈtrənyən]

    美式

    • n.
      a pin or pivot forming one of a pair on which something is supported.

    Oxford American Dictionary