详细解释:【医】 幼儿急疹, 猝发疹
英语解释：
名词 roseola infantilis:
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同义词：exanthema subitum, roseola infantum, pseudorubella