The allergen in jackfruit does not sensitize the immune system, but once birch pollen has done so, the immune system may react to jackfruit too.

菠萝蜜中的过敏原不会使免疫系统敏感，但是一旦桦树花粉刺激了免疫系统，免疫系统也会对菠萝蜜有反应。

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Laugh to strengthen your immune system. Yep, its been proven.Your immune system is boosted for at least 12 hours after watching a funny movie.

微笑能增强你的免疫系统。在观看了一部有趣的电影后，你的免疫系统至少能在12个小时里得到提高。

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An allergy is an inflammatory response of the immune system to substances that would not cause activation of the immune system in persons who are not allergic.

过敏症是自身免疫系统对一种特殊物质产生的炎症反应，而这种特殊物质不会使那些没有过敏病人群的免疫系统产生激化反应。

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On his twenty-fourth birthday, doctors told Onalfo he had non-Hodgkin's lymphoma, a cancer of the immune system.

VOA: special.2010.06.02

We're going to talk about how they're prepared, but it's a preparation that is intended to stimulate your immune system.

我们会讲它们是如何做准备的,它通过刺激你的免疫系统来进行准备

耶鲁公开课 - 生物医学工程探索课程节选

So, just an introduction to the classes of potential foreign invaders that our immune system tries to defend us against.

所以 我只是简单介绍几类,免疫系统试图抵御的潜在外来侵略者

耶鲁公开课 - 生物医学工程探索课程节选

Another alternative, the EIA test, which detects substances produced by the chlamydia bacteria that trigger the immune system or immune system chemicals produced in response, is less complex.

BBC: NEWS | Health | 'Instant test' for sex disease

Researchers believe these new antibodies promote the production of a mysterious class of immune system cells called regulatory T cells that act as peacekeepers to ensure the rest of the immune system's soldiers remain under control.

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The Kepners knew a double hand transplant meant Kepner would have to take drugs to suppress his immune system for the rest of his life (like any transplant, the recipient's immune system could attack the new organ as a foreign object).

CNN: Pastry chef receives double hand transplant