柯林斯词典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剑桥词典an illness that kills birds and can sometimes pass from birds to people 禽流感（一种能导致禽类死亡，并能传染给人类的疾病） 返回 bird flu