高熱; 高熱症; 高燒; 高體溫
Hyperpyrexia \Hy`per*py*rex"i*a\, n. [NL. See {Hyper-}, and {Pyrexia}.] (Med.) A condition of excessive fever; an elevation of temperature in a disease, in excess of the limit usually observed in that disease.
hyperpyrexia n : extremely high fever (especially in children)