It's a mechanism that they have evolved in order to prevent foreign genes from entering a cell and being expressed.

它们进化出这种机制来,防止异源基因进入细胞并表达

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Other cells in the immune system recognizing that this is a foreign molecule, but is being presented in the context of a 'self' cell.

免疫系统中的其他一些细胞,识别到它是非己物质,但它已经被识别为己方细胞

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That is a new part of India's economy, and to the extent that by globalization, one needs more foreign investment and increased connection to foreign trade they are playing a role but India's economy growth is largely being driven by internal investments.

那也是印度经济,新的组成部分，从某种层面来说，由于全球化，经济发展需要,吸引更多外资，促进外贸,这些因素确实起了作用,但印度经济增长大部分还是靠,国内投资。

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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

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