Asian n flu亚洲型流感
asian flu detail亚洲流行性感冒
N（名词） a type of influenza recurring in worldwide epidemics, caused by a virus (A2 strain or subsequent antigenic variants), which apparently originated in China in 1957 亚洲型流感; 全球范围发生的流感，由A2型或其抗原变体感染，似在1957年发源于中国