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

Its molecules are pieces of molecules often derived from foreign pathogens which stimulate an immune response.

它通常是从激发免疫反应的,外源病原体中分离出的碎片

耶鲁公开课 - 生物医学工程探索课程节选

The second part of the question dealt with the changes in our exposure to foreign assets and that's an area that we've been very interested in.

第二个问题是关于,我们在国外资产投资上的变化,这一直是我们很感兴趣的领域

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Aristotle famously was a tutor of Alexander the Great. Machiavelli spent a large part of his career in the foreign service of his native Florence and wrote as an advisor to the Medici.

亚里士多德有指导亚历山大大帝的著名史实；,马奇亚维利职涯中,长期服务于佛罗伦萨,原乡的外交部门,而且是梅迪西家族的顾问；

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Usually the cellular means that they get rid of is that instead of an antibody being produced, you activate a population of cells that will specifically go and hunt down the foreign antigen, or more commonly, cells that contain the foreign antigen.

通常细胞免疫意味着,不用生成抗体就能清除抗原,你激活了一个细胞类群,这一类群能够,并杀伤外源抗原,或者更常见的是,杀伤含有外源抗原的细胞

耶鲁公开课 - 生物医学工程探索课程节选

The other part of the adaptive immune system is the cell mediated immune system and this is an immune where that doesn't involve antibodies but involves cells that are activated in response to a foreign antigen and that utilize cellular means to get rid of it.

获得性免疫系统还包括,细胞免疫,这一免疫反应不包含抗体,但包含可以被激活来应答,并清除外源抗原的免疫细胞

耶鲁公开课 - 生物医学工程探索课程节选