Pluto的中文翻译
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Pluto1
UK
/ˈpluːtəʊ/
US
/ˈpluːtoʊ/
冥王星
noun
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one of a number of round objects in space that are not as large as planets but which go around the sun. In August 2006, the International Astronomical Union declared that Pluto should be called a dwarf planet because it is smaller and has different characteristics from the other planets in our solar system; in 2008 it declared that dwarf planets further from the sun than Neptune could also be called plutoids.