But because of the similarity of the viruses, the immune response that people developed would also protect them against natural infections with variola.

因为这两种病毒很相像,人体的免疫应答也能保护自己,免受天花的感染

耶鲁公开课 - 生物医学工程探索课程节选

Children get diseases from a class of viruses called rotaviruses, for which we have no vaccine, and- and so no way to protect them.

儿童因轮状病毒而生病,而我们没有针对这种病毒的疫苗,所以,所以我们没有办法保护儿童

耶鲁公开课 - 生物医学工程探索课程节选

They we are going to protect them which I raise an eyebrow of it myself.

我很赞同这些投资,我们也要保护这些。

普林斯顿公开课 - 国际座谈会课程节选

You would buy life insurance on both the husband and the wife -you might do different amounts; it's done by families with young children to protect them against the economic cost of the death of one of their parents.

夫妻双方都应该购买寿险,但两份保险的金额可以有所不同,这适用于有小孩子的家庭以弥补,因父亲或母亲去世而带来的经济损失

耶鲁公开课 - 金融市场课程节选

And there you are looking at them, trying to protect their city.

你们看到的这些人当时正在,努力保卫着他们的城市

耶鲁公开课 - 1871年后的法国课程节选

Right. So, he took fluid from a cowpox lesion on a cow, and he injected it into his children and his wife, reasoning that this would protect them from disease, even though they didn't have as much contact with cows as farmers did.

就是这样,他从奶牛身上的,天花瘢痕中取出液体,将之注入他的妻儿体内,认为这样可以保护他们不得天花,即使他们并不像农民一样时时与奶牛接触

耶鲁公开课 - 生物医学工程探索课程节选

This process, I said, this ancient process of taking scabs from patients and introducing them to people you wanted to protect, was called variolation.

这个过程,我想,这个从病人身上取痂,接种到你想保护的人身上的古老过程,叫做天花接种

耶鲁公开课 - 生物医学工程探索课程节选