求翻译：艾滋病是一种威胁生命的疾病，它侵袭人体内的自然免疫系统，破坏人体的自卫能力。艾滋病本身并不致命，但是，由于人体的免疫系统遭到破坏，病人几乎没有能力低于其他许多疾病的侵袭，例如，肺炎、癌症、致盲性疾病和精神错乱。艾滋病毒存在于人的体液中。这种病毒可以通过性生活或共用静脉注射器传播，也可以通过血制品传播，并且可以从患艾滋病的孕妇身上传播给她的妊娠婴儿。是什么意思？

AIDS is a life-threatening illness that affects the body's natural immune system to disrupt the body's self-defense capability. AIDS itself is not fatal, but, due to the destruction of the body's immune system, patients have little ability to attack than many other diseases, such as pneumonia, cance

AIDS is a life-threatening disease in humans, it attacks the natural immune system and destroys the body's capacity for self-defense. AIDS does not in itself fatal, however, because the immune system has been damaged, the patient almost no capacity is lower than many other diseases, for instance, pn

AIDS is one kind of threat life disease%

AIDS is a life-threatening diseases, its invasion in the human body's natural immune systems, damage the body's ability to defend itself. AIDS itself is not fatal, however, because the body's immune system is compromised, patients have little capacity is lower than many other diseases and the invasi