But I was working on research involving detection of worms, viruses and the spread thereof.

但我从事的研究涉及到蠕虫的检测，病毒及其传播。

哈佛公开课 - 计算机科学课程节选

So, now you have to be very promoted, marketed the right way online, as far as viral,

所以，你现在必须在网上以正确的方式做好宣传，做好营销，像病毒传播一样，

音乐市场的变化！ - SpeakingMax英语口语达人

They're all over each other sometimes and they can spread saliva or other fluids.

有时候他们会在一起追跑打闹,病毒和疫苗可以通过唾液或其它体液传播

耶鲁公开课 - 生物医学工程探索课程节选

Imagine a virus, for instance, that captured an animal's brain and then modified the animal's brain such that the animal would run out and bite other animals so as to pass on the virus.

想象一个病毒，例如，控制动物大脑，然后修改大脑,这个动物会跑出去咬其他动物,以传播病毒。

耶鲁公开课 - 心理学导论课程节选

Because it's passed by-- can be passed by an oral route it's a disease that's very effectively transmitted in school settings where children are together, or childcare settings.

因为脊髓灰质炎病毒可以,经口传染途径进行传播,因此它是一种,极易在学校传播的疾病,在这些地方孩子们都聚集在一起

耶鲁公开课 - 生物医学工程探索课程节选

They take it, the vaccine itself, the virus, reproduces in their gut and they can actually spread it to other children in the same way that they spread the disease where you've got children that are maybe at school or at childcare.

他们服用了疫苗,则疫苗菌本体,病毒本体便在他们的体内进行繁殖,实际它们以同样方法传播到其他孩子体内,当你去学校或者幼儿园,接你的孩子的时候,这些病毒正在传播

耶鲁公开课 - 生物医学工程探索课程节选

Particularly, if we took advantage of the fact that this is a virus that's easily transmitted orally and could you make a vaccine that would be effective orally as well, that would be a tremendous advantage, especially in children who don't like to get shots.

尤其是,如果我们可以利用这种病毒,很容易经口传播这一事实,制造出一种,可以通过口服而起到同样效果的疫苗,那么这将是一个巨大的飞跃,特别是对于那些不喜欢打针的孩子

耶鲁公开课 - 生物医学工程探索课程节选