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  1. brown dwarf

    • IPA[ˌbraʊn ˈdwɔːf]

    英式

    • n.
      a celestial object intermediate in size between a giant planet and a small star, believed to emit mainly infrared radiation.
    • noun: brown dwarf, plural noun: brown dwarfs

    • 更多解釋
    • IPA[ˌbroun ˈd(w)ôrf]

    美式

    • n.
      a celestial object intermediate in size between a giant planet and a small star, believed to ...

    Oxford American Dictionary