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人类免疫不全症的病毒是？
The human immunodeficiency virus is a?
youdao
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免疫不全：免疫力的缺陷削弱身体抵抗感染的能力。
Immunodeficiency: Defect in immunity that impairs the body's ability to resist infection.
youdao
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免疫不全：免疫力的缺陷削弱身体抵抗感染的能力。
Immunodeficiency: Defect in immunity that impairs the body's ability to resist infection.
youdao