9命啊。。。HIV内容的英语翻译。。

AIDS is the abbrievation of acquired immune deficiency syndrome, which is a new discovered viral contagious disease mainly spread by sexual touch and blood. Viral contagious disease is a kind of disease caused by AIDs virus. The mechanism of pathogency lies in that the AIDs virus particularly damages the macrophage, B-lymph cells, T-4 lymph cells of the immune system after the human body infecting the virus, so that T-4 lymph cells die off precociously. With the sharp reduction of T-4 lymph cells, the function of thewhole immune system declines till the moment that person has no immunity to any infection.

我不是已经给你翻译过了嘛.