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  1. electret

    • IPA[ɪˈlɛktrɪt]

    英式

    • n.
      a permanently polarized piece of dielectric material, analogous to a permanent magnet.
    • noun: electret, plural noun: electrets

    • 更多解釋
    • IPA[əˈlektrət]

    美式

    • n.
      a permanently polarized piece of dielectric material, analogous to a permanent magnet.

    Oxford American Dictionary