名词
中文翻译：地核
同义词：
['core', "earth's core例句：1. The Earth's core is made up of molten iron and nickel.（地球的核心由熔融的铁和镍组成。）2. The study of the Earth's core helps us understand the planet's history.（研究地球核心有助于我们理解这颗星球的历史。）"]
例句：
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1. The Earth's core is made up of molten iron and nickel.
地球的核心由熔融的铁和镍组成。
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2. The study of the Earth's core helps us understand the planet's history.
研究地球核心有助于我们理解这颗星球的历史。
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3.The Earth's core generates heat that powers the planet's magnetic field.
地球核心产生的热量为地球磁场提供了动力。