iron core

常见例句

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 notion that the moon has an iron core with a layer of molten iron surrounding it isn't new. But evidence so far has been indirect.
月球里有着周围带有融化铁层的铁芯的这个概念并不是新的。但到目前为止，这些证据都是间接的。
Our understanding of planet formation suggested that precious metals such as gold and tungsten should have moved into Earth's iron core long ago, due to the affinity they have for bonding with iron.
我们对地球形成的理解认为如黄金和钨等贵金属在很久以前因它们与铁粘合的吸引力而移到了地球的铁核心。令人惊讶的是，在地球表面和下面的地幔层里贵金属反而比较丰富。

The magnetometer will record what, if any, magnetic field the asteroid has, thus revealing whether it was ever part of an object large enough to have possessed the molten iron core needed to generate such a field.
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In fact, Earth has enough iron at its core to produce 2 billion Death Stars—a veritable Death Galaxy.
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