AIDS impairs the human body's immune system, the system responsible for keeping off disease, and leaves the victim easily affected by various infection.
艾滋病损伤人体抵御疾病的免疫系统，使患者易于受到各种感染。
AIDS impairs the human body's immune system, the system responsible for keeping off disease, and leaves the victim easily affected by various infection.
艾滋病损伤人体抵御疾病的免疫系统，使患者易于受到各种感染。
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