音标发音英式音标 [ˈpluː.təʊ]美式音标 [ˈpluː.t̬oʊ]英式发音 美式发音 基本解释冥王星（第九大行星，离太阳最远，比海王星还远）。同根派生 Pluto相关词英英字典剑桥英英字典 a dwarf planet that is farther away from the sun than Neptune, and is the second largest dwarf planet in the solar systemPluto剑桥字典Pluto柯林斯字典