Clearly, geophysicists who seek to explain and forecast changes in the field must understand what happens in the outercore.
显然，试图解释和预测磁场变化的地球物理学家必须了解外核发生了什么。
2
Our brains are made up of a primitive inner core and a more evolved and rational outercore.
我们的大脑由原始的内核和进化程度更高、更具理性的外核组成。
3
The Earth's magnetic field is generated as the molten iron of the Earth's outercore revolves around its solid inner core; when surges in the molten iron occur, magnetic tempests are created.