寻求一劳永逸的流感疫苗——打一针就能终身免疫的努力已经进行了几十年。 许多研究团队都致力于此。

The hunt for a universal flu vaccine, a single shot that would provide lifelong immunity, has been going on for decades, and many teams of researchers have been on the case.

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我们都知道，骨髓细胞可以造血，也可以恢复免疫系统的功能。

Bone marrow cells are known to help restore blood and immune system function.

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当我实行这种饮食法时，我发现自己的“情绪免疫系统”表现极佳。

When I eat this way, I find that my emotional “immune system” is at peak performance.

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So, there's no absolutes about this, this is a general response where all the features can be different with different pathogens.

这其中并没有明确的规律,免疫应答是普遍存在的,但针对不同的病原体的应答规律各不相同

耶鲁公开课 - 生物医学工程探索课程节选

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

Suppose that most times and most activities were death free, but certain activities introduce the possibility of dying.

假设大部分时间和大部分活动都是死亡免疫的，但某些活动,会引起死亡的可能性。

耶鲁公开课 - 死亡课程节选