这些不良行为都会破坏人体免疫系统，增加得病几率。
These behaviours can harm their immune system and increase vulnerability to diseases.
艾滋病是一种破坏人体免疫系统，使人处于失去抗感染、抗疾病状态的病症。
AIDS is a disease that breaks down the body immune system and leaves a person defenseless against infections and illnesses.
这种病毒终生传染，能够破坏人体免疫系统，使人丧失抵抗各种疾病的能力。
Transmission of the virus for life and can damage the body's immune system so that people lose the ability to resist various diseases.
艾滋病是一种能够破坏人体免疫系统的疾病，使人对传染病和疾病失去防御能力。
AIDS is a disease that breaks down the body's immune system and leaves a person defenseless against infection and illnesses.
人类免疫力缺乏病毒（HIV）是一种感染人类免疫细胞，从而破坏人体免疫系统的反转病毒。
The human immunodeficiency virus (HIV) is a retrovirus that infects cells of the human immune system, destroying or impairing their function.
众所周知，忙碌的办公环境会增加人们的压力，破坏人体免疫系统，但是你知道办公环境也会让你加速衰老吗？ ？
We all know that hectic office environments can increase stress levels and deplete our immune systems but did you know that your desk could be rapidly ageing you, too?
艾滋病是一种破坏人的免疫系统使人体对感染及疾病没有抵抗力的疾病。
AIDS is a disease that breaks down the body's immune system and leaves a person defenseless against infections and illnesses.
这些病原体被设计用来破坏人体的免疫系统以确保自然疾病的致命性。
These pathogens were intentionally designed to circumvent and cripple the body's immune system and ensure the lethality of the disease.
这种病毒终生传染，破坏人的免疫系统，使人体丧失抵抗各种疾病的能力。
Transmission of the virus for life, destruction of the human immune system so that the loss of human resistance to various diseases.
HIV主要破坏人体的免疫系统，导致免疫功能下降引起的艾滋病，患艾滋病后易导致一系列的感染、肿瘤和其它相关疾病，最终死亡。
HIV major damage to the body's immune system, resulting in decreased immune function caused by AIDS, lead to AIDS, after a series of infections, tumors and other related diseases and ultimately death.
科学家把这种病毒叫做“人类免疫缺陷病毒”，它可以侵袭人的免疫系统，降低并最终破坏人体的免疫功能。
Scientists to the virus called "human immunodeficiency virus", which can attack people's immune system, reduce and, ultimately, destruction of the body's immune function.
这种病毒终生传染，破坏人的免疫系统，使人体丧失抵抗各种疾病的能力。
Transmission of the virus for life, destruction of the immune system, so that the loss of the human body's ability to resist various diseases.
这种病毒终生传染，破坏人的免疫系统，使人体丧失抵抗各种疾病的能力。
Transmission of the virus for life, destruction of the immune system, so that the loss of the human body's ability to resist various diseases.
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