n.流行病；迅速的传播、生长或发展；风尚等的流行；adj.流行性的；极为盛行的； 变形： 复数：epidemics 双语释义：n.(名词)[C]流行病 a large number of the same infectious diseases during a single period of time英英释义： epidemic[ ,epi'demik ]n.a widespread outbreak of an infectious disease; many people are infected