In theory, you need molten iron in the core to generate one, but Mercury is so small, its core should have long since solidified.

理论上，你需要核心里的熔化铁来产生它，但是水星很小，它的核心凝固还要很久。

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Computer simulations of this impact show that both of the objects would melt in the impact and the dense core of the impactor would fall as molten rock into the liquefied iron core of Earth.

对这次撞击的计算机模拟显示，这两个物体都会在撞击中熔化，而撞击者稠密的核心会以熔融岩石的形式落入地球的液化铁芯中。

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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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Voice rumbling from the planet's core Face upturned; see Children of the universe, They shine in the night;

VOA: special.2009.04.17

He has the most varied career and has been celebrated in so many different situations that we're honored that he's here on the Inner Core today.

他的职业生涯很丰富,可谓功成名就,我们很荣幸今天能请到他来到现场。

普林斯顿公开课 - 人性课程节选

At the core of it is a belief in progress, something that was essentially not present among the Greeks.

其核心就是对于进步的信仰,实质上说这在希腊文化中是不存在的

耶鲁公开课 - 古希腊历史简介课程节选

So I would look to some media companies to adopt kind of the holding company approach where there is a centralized body and maybe some sort of oversight, but let each core division in the core subject areas grow on their own and grow their own budgets.

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In October, the Financial Times reported that in addition to selling-off non-core assets in Canada, VimpelCom is also looking to dispose of its non-core assets in Sub-Saharan Africa, Laos, and Cambodia.

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"Mr. Sasa's career spans 30 years in the Company's core Medical Business, and in recent years he has been deeply involved in the management of this core business, " Olympus said in a statement.

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