| 词汇 | dwarf planet |
| 释义 | dwarf planetBrE /ˌdwɔːf ˈplænɪt/ NAmE /ˌdwɔːrf ˈplænɪt/ noun a round object in space that goes around the sun but is not as large as a planet and does not clear other objects from its path 矮行星（以轨道绕着太阳的球状天体，体积不及行星，未能清除在轨迹上的其他天体）◆ the dwarf planets Pluto , Ceres , Eris , Makemake and Haumea 冥王星、谷神星、阋神星、鸟神星和妊神星等五颗矮行星 ➡ compare plutoid |
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