柯林斯詞典bird flu 1. N-UNCOUNT Bird flu is a virus that can be transmitted from chickens, ducks, and other birds to people. 禽流感 返回 bird flu劍橋詞典an illness that kills birds and can sometimes pass from birds to people 禽流感（一種能導(dǎo)致禽類死亡，竝能傳染給人類的疾?。?返回 bird flu