This year,when you have two-thirds being pessimistic about American foreign policy, you have a larger percentage saying maybe it will be better if Iran has nuclear weapons."

VOA: standard.2010.08.06

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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"A lot of groups want to send a strong message to foreign governments by targeting foreign nationals who are operating in the country the strategy being to convince the general public of coalition nations that their armies and armed forces should not be in Afghanistan,".

VOA: standard.2009.09.10

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

耶鲁公开课 - 生物医学工程探索课程节选