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  1. magnetosphere

    • IPA[maɡˈnēdəˌsfir]

    美式

    • n.
      the region surrounding the earth or another astronomical body in which its magnetic field is the predominant effective magnetic field.
    • noun: magnetosphere, plural noun: magnetospheres

    • 更多解釋
    • IPA[maɡˈniːtəsfɪə]

    英式

    • n.
      the region surrounding the earth or another astronomical body in which its magnetic field is ...

    Oxford Dictionary