资料来源 : WordNet®

exanthema subitum
     n : a viral disease of infants and young children; characterized
         by abrupt high fever and mild sore throat; a few days
         later there is a faint pinkish rash that lasts for a few
         hours to a few days [syn: {roseola infantum}, {roseola
         infantilis}, {pseudorubella}]