Antibacterial peptide is a variety of immunologically active substance with bactericidal action and is recognized as an important part of non-specific immune system for organism.

抗菌肽是一类具有杀菌作用的免疫活性物质，是动物非特异性免疫系统的重要组成部分。

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Chronically psychological stress exerted a great influence on change of the WBC quantity, indicating that psychological stress had an important influence on specific immune system in organism.

长期慢性心理应激对白细胞数量的变化影响较大，表明心理应激对机体的特异性免疫系统有重要影响。

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In particular, some opportunistic infections may be unmasked shortly after the beginning of HAART as the immune system starts to recover, and these may require specific treatment.

特别是鸡尾酒疗法开始后不久，免疫系统恢复期间出现的机会感染，这可能需要特殊的治疗。

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So, I have a bacteria infection, stimulates my immune system, I start making antibodies that bind to an antigen specific to that bacteria.

所以 如果我被细菌感染了,我的免疫系统被激活,开始制造抗体,这些抗体结合到细菌特异性的抗原上

耶鲁公开课 - 生物医学工程探索课程节选

Learning how to turn on your immune system to protect you from a specific pathogen turns out to be very particular to that pathogen.

它发动你的免疫系统来保护你,免受某种病原体的侵袭,只是针对这种特定病原体

耶鲁公开课 - 生物医学工程探索课程节选

But in any event, the vaccine is intended to stimulate the immune system to produce an effector response— either antibodies or specific cells— that can combat spread of the microorganism through your body.

但无论如何,疫苗是通过,刺激免疫系统来使身体产生应答,无论是抗体还是特定的细胞,都可以阻止微生物在体内扩散

耶鲁公开课 - 生物医学工程探索课程节选

This should help researchers focus on the specific immune-system problems that underlie the disease.

ECONOMIST: Human genomics

Two specific types of immune system cell that attack invaders - CD4 T-cells and natural killer cells - increased in number with age, with a higher rate of increase in women than in men.

BBC: Biological clue to why women live longer than men

Their experiments on mice showed the virus impaired the ability of a specific part of the immune system, called regulatory T cells, to calm inflammation.

BBC: Crippling viral infections 'cause asthma'