The planet's magnetic field is generated by the motion of molten iron flowing around a superhot, solid iron core.
地球内部的熔铁围绕其核心的超高温固体铁核流动，由此产生了地球磁场。
The Earth's magnetic field is generated as the molten iron of the Earth's outer core revolves around its solid inner core; when surges in the molten iron occur, magnetic tempests are created.
地球磁场是由地球外核的熔铁围绕固体内核旋转而产生的；当铁水激增，就会发生磁暴。
The Earth's solid inner core was formed by the freezing of iron rich liquid materials making up the outer core.
地球内核由外核富含铁元素的液态物质结晶而成。
应用推荐