英文: yuppie flu'. '
中文: 雅皮士感冒' .英文: Bird flu is a contagious disease caused by TYPE A flu virus.
中文: 禽流感是由A型流感病毒引起的传染性疾病。英文: Bird flu here to stay?
中文: 禽流感会留下来吗?英文: His flu infected his wife.
中文: 他把流行性感冒传染给妻子。英文: The flu is highly infectious.
中文: 流感的传染性很强.