柯林斯詞典avian flu /?e?v??n/ 1. N-UNCOUNT Avian flu is a serious illness that can be transmitted to people from chickens, ducks, and other birds. 禽流感 返回 avian flu劍橋詞典an illness that kills birds and can sometimes pass from birds to people 禽流感（可造成禽類死亡，也可傳染給人類） 返回 avian flu