pyren.火葬柴堆Pyrethr-oid拟除虫菊酯类pyrenomycetesn.核菌pyretotyposis间歇热pyrenean wool比利牛斯羊毛pyretic cough热痰, 火嗽, 积热咳嗽, 热嗽, 伤热咳嗽pyretotherapyn.[医]发热疗法(指人为上升体温的疗法)pyretogenesia热发生pyretogenesis热发生,热产生pyretic asthma火喘, 火热喘急, 火炎上喘, 热喘, 热哮pyrethric acid除虫菊酸