But for birds and pigs, it's flu season year round.
不过对于禽类和猪来说，它们的流感季节是一年四季的。
It's said the bird Flu is spread by birds.
据说禽流感是通过鸟雀传播的。
Wild and farm birds often have a flu virus.
野生和农场的禽类经常感染流感病毒。
The feces of the passing birds can not cause bird flu.
粪便通过鸟类不能造成禽流感病毒。
Scientists worry that wild birds could carry the bird flu virus and spread it.
科学家们担心野鸟可能携带禽流感病毒并且传播它。
The public was warned to be careful of birds flu.
公众得到警告，要提防禽流感。
The public was warned to be careful of birds flu.
公众得到警告，要提防禽流感。
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