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  1. magnetic needle

    • n.
      a piece of magnetized steel used as an indicator on the dial of a compass and in magnetic and electrical apparatus.
    • noun: magnetic needle, plural noun: magnetic needles

    • 更多解釋
    • IPA[maɡˌnedik ˈnēdl]
    • n.
      a piece of magnetized steel used as an indicator on the dial of a compass and in magnetic and ...

    Oxford American Dictionary