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  1. alternating current

    • IPA[ˈôltərˌnādiNG ˈkərənt]

    美式

    • n.
      an electric current that reverses its direction many times a second at regular intervals, typically used in power supplies.
    • noun: alternating current, plural noun: alternating currents

    • 更多解釋

    英式

    • n.
      an electric current that reverses its direction many times a second at regular intervals, ...

    Oxford Dictionary