冥: dark; obscure行星: planet冥行星: pluto prototype类冥天体: plutino冥行盲索: feel in the dark; walk in the dark or grope with one's hands; work in an unclear situation冥行掷埴: like a blind man groping his way in the dark行星: [天文学] planet 大行星 major planet; 内行星 inferior planet; 外行星 superior planet; 小行星 minor planet; 一等行星 primary planet矮行星: dwarf planet大行星: major planets; principal planet巨行星: giant planet内行星: inferior piston; inferior planet = interior planet; inner planets; interior planets = inferior planets; planet; inner氢行星: hydrogen planet双行星: the double planet; twin planet太行星: red star over taihang碳行星: carbon planet退行星: receding star外行星: [天文学] outer planet; superior planet微行星: planetesimal小行星: [天文学] asteroid; minor planet; planetoid星行星: interstellar planetary mass object; pulsar planet行星波: plane wave; planetary ogpdm wav leyi es qdhay; planetary waves行星齿: satlt satellite行星的: planetary行星定: definition of planet行星风: plane wind; planetary wind