名词
中文翻译：Unknown
同义词：
['heavy metal core', "heavy ion core例句：1. The helium-rich core of the planet is believed to be a source of its unique atmosphere.（这个行星的富氦核心被认为是其独特大气的来源。）2. The heavy metal core of the Earth's crust is thought to have formed from the collision of continents millions of years ago.（地球地壳的重金属核心被认为是数百万年前大陆碰撞形成的。）"]
例句：
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1. The helium-rich core of the planet is believed to be a source of its unique atmosphere.
这个行星的富氦核心被认为是其独特大气的来源。
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2. The heavy metal core of the Earth's crust is thought to have formed from the collision of continents millions of years ago.
地球地壳的重金属核心被认为是数百万年前大陆碰撞形成的。
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3. The heavy ion core of the sun is believed to be composed mainly of protons and neutrons.
太阳的重离子核心被认为主要由质子和中子组成。