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。

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As they drilled into the central and deepest part of the Mediterranean basin, the scientists took solid, shiny, crystalline salt from the core barrel.

随着科学家们在地中海盆地的中部和最深处进行钻探，他们从岩心桶中取出了坚硬的、有光泽的结晶盐。

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But a new look at Titan's insides reveals even more oddities: Beneath the brittle crust of ice lies a layer of slush. Deeper still is an underground ocean over a solid core of rock and ice.

但最近对泰坦内部的一项新研究却揭开了这颗奇异星球更为怪诞的一面：脆弱的甲烷冰地表之下，覆盖着一层冰泥，更深处依然是一个地下海洋，最中间是冰和岩石并存的固态核心。

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He recommends people get a solid or metal door for the front door and a solid-core door with a deadbolt for the master bedroom.

FORBES: Magazine Article

With a solid core of long-term leases that should see it through the downturn, the company has access to cash for future investments that may further enrich FFO.

FORBES: Shaky Dividends

Inside, it has pretty much the exact specs you'd expect to find on any new Ultrabook: up to 256GB of solid-state storage and your choice of Core i3, i5 and i7 CPUs.

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