词汇 | dwarf planet |
释义 | dwarf planet noun [ C ] uk/ˈdwɔːf ˌplæn.ɪt/ us/ˈdwɔːrf ˌplæn.ɪt/ 矮行星 a round mass of metal and rock or gas, moving around the Sun or another star, that is not large enough to be considered a planet. Dwarf planets in the solar system include Ceres, Pluto, and Eris. |
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