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单词
brown dwarf
释义
brown dwarf
n.
(名词)
A celestial body that resembles a star but does not emit light because it is too small to ignite internal nuclear fusion. The planet Jupiter is a small brown dwarf.
棕矮星:类似恒星的天体,因太小而无法令其内部产生核聚变,所以不发光。木星就是一颗小棕矮星
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更新时间:2026/2/21 15:56:01