epidemicsn.流行病名词epidemic的复数形式.epidemicn.流行病；传染病adj.流行的；传染性的Epidemic outbreaks暴发疫情epidemic influenza流行性感冒Epidemical pattern发生规律epidemic contagion流行性传染病epidemic cretinism地方性呆小病epidemic catalepsy集体性木僵epidemic pathogens时行戾气Epidemic flora type流行区系epidemic prediction疫情预测epidemic NDV strain新城疫流行毒株