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来源:雅诚德英语网
But, unlike the cores of the inner planets, the Moon's core contains little or no iron, while the typical planet-forming materials were quite rich in iron.
但是,与内行星的核心不同,月球的核心几乎不含铁,而典型的行星形成物质则富含铁。
But, unlike the cores of the inner planets, the Moon's core contains little or no iron, while the typical planet-forming materials were quite rich in iron.
但是,与内行星的核心不同,月球的核心几乎不含铁,而典型的行星形成物质则富含铁。