英语词汇“planetesimal hypothesis”是什么意思，“planetesimal hypothesis”的读音、用法及例句翻译-烛光网

词汇	planetesimal hypothesis
释义	planetesimal hypothesisn.（名词） The hypothesis that the planets and satellites of the solar system were formed by gravitational aggregation of planetesimals.星子假说：认为太阳系的行星和卫星是由星子靠万有引力集聚而形成的假说
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