他们还想知道病毒感染时如何刺激分子产物的。

They also want to know exactly how viral infections stimulate production of the molecules.

youdao

首次感染时，免疫系统最初依靠先天非特异性防御。

The first time you get infected, your immune system has to rely initially on innate, non-specific defences.

youdao

人感染时，机体的白细球吞噬细胞行动起来消除感染。

When we get an infection, white blood cells called phagocytes leap into action.

youdao

The kinds of viruses that we get when we have colds are very good at infecting the respiratory system.

我们感冒时感染的各种感冒病毒,就非常精于感染呼吸系统

耶鲁公开课 - 生物医学工程探索课程节选

that doing meditation actually literally transforms our brain, making us more susceptible to positive emotions and more resilient in the face of painful emotions.

多少人知道，冥想能转换我们的大脑思维，使我们更容易感染到积极情绪,在面对痛苦时更坚强。

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There's something else about smiles which is going to come up, which your question raises, I think, which is going to come up in when we talk about emotional contagion and actually, some issues of morality.

其他与微笑有关的话题开始浮现了，你提出问题，我想，可能出现,当我们讨论情绪感染时，事实上，一些道德话题。

耶鲁公开课 - 心理学导论课程节选