The Earth's magnetic field is generated as the molten iron of the Earth's outer core revolves around its solid innercore; 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。
2
Our brains are made up of a primitive innercore and a more evolved and rational outer core.
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
A "southern" camp headed by French wants something different: "European economic government" within an innercore of euro-zone members.