为什么猪流感叫swine flu而不是pig flu?

为什么猪流感叫swine flu而不是pig flu? 为何猪流感是swine flu,而不是pig flu呢 swine和pig都当猪讲时候有什么区别啊.为什么猪流感不用pig flu 而用 s... 如何最快知道猪流感(H1N1,swine flu)最新疫情? swine flu怎么读 whats the difference between the flu and the swine flu. 得了流感是have the flu 还是have a flu 患流感英语是have flu还是have the flu还是have a flu If you are prime minister how to prevent swine flu if you have the Swine Flu,what should you do "Swine flu "has been named the most politically incorrect wo He has flu.和He has a toothache.这两句话一个他得了流感,一个是他牙痛.为什么flu不要用a