柯林斯词典avian flu /ˈeɪvɪən/ 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剑桥词典an illness that kills birds and can sometimes pass from birds to people 禽流感（可造成禽类死亡，也可传染给人类） 返回 avian flu