Swine flu is a respiratory sickness caused by an influenza virus that mainly infects pigs.

VOA: special.2009.04.29

infects your idea of the understanding of rights, of course, rights exists, but they are for groups.

侵蚀了你对权利的理解，当然权利肯定存在，但它们是集体的。

普林斯顿公开课 - 人性课程节选

The whole category of diarrheal diseases, caused by viruses called enteroviruses, where they, it infects your gut.

所有种类的腹泻,都是由肠道病毒引起的,它们感染了肠道

耶鲁公开课 - 生物医学工程探索课程节选

Dengue hemorrhagic fever kills about five percent of all people it infects.

VOA: special.2009.05.26

But it doesn't seem that way because the role infects how we think about the person.

但人们并不这样认为,因为这个角色影响了我们对这个人的看法。

耶鲁公开课 - 心理学导论课程节选

The insect can carry a parasite that infects the central nervous system.

VOA: special.2010.04.07

You breathe it in, it infects the cells of your respiratory tract, and the virus begins to reproduce, and then it spreads throughout your body.

你将之吸入,病原体感染了呼吸道细胞,病毒开始繁殖,接着传遍你的全身

耶鲁公开课 - 生物医学工程探索课程节选

Sleeping sickness is spread by a parasite that infects the central nervous system and,if left untreated, moves to the spinal column and brain, resulting in mental confusion and eventual death.

VOA: standard.2010.04.05

Because it infects your cells and reproduces, your immune system responds much more vigorously.

由于它会感染你的细胞并且繁殖,所以你的免疫系统会有很强烈的反应

耶鲁公开课 - 生物医学工程探索课程节选

So, it first infects you because you breathe in some of the infectious agent.

所以,只要吸入病原体,你就会被感染

耶鲁公开课 - 生物医学工程探索课程节选

Here's a DNA virus, it infects a cell.

这是一个DNA病毒,它感染了一个细胞

耶鲁公开课 - 生物医学工程探索课程节选