外核（Outer nuclear）是地球在固体的内核之上并在地幔之下，由液体的铁和镍构成，厚度大约2200千米（1367英里）。
外核 [wài hé]
双语例句原声例句
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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。
Our brains are made up of a primitive inner core and a more evolved and rational outer core.
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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。
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.
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地球磁场由地球外核中的电流产生。
The Earth's magnetic field is generated by currents flowing in Earth's outer core.
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And, I've got 18 electrons around it.
核外有18个电子。
应用推荐
$firstVoiceSent
- 来自原声例句