The viruses appear to harm the bees' ability to use their genetic material to produce proteins needed to fight infections.

VOA: special.2009.09.15

So, not just a spectrum of viruses, but there's viruses and bacteria and parasites and other microorganisms that can cause disease.

所以,不是只有病毒,还有病毒,细菌,寄生虫,和其它各种微生物都能导致疾病

耶鲁公开课 - 生物医学工程探索课程节选

Hepatitis is a virus that specifically affects the liver, so viruses are often specific to certain kinds of cells.

肝炎病毒就可以特异性的感染肝细胞,因病毒通常都有细胞特异性

耶鲁公开课 - 生物医学工程探索课程节选

Supporters of one kind of G.M.cotton, for example,note evidence that it can help a plant resist insects and viruses.

VOA: special.2010.03.23

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

The viruses appear to harm the bees' ability to use their genes to produce proteins needed to fight infections.

VOA: special.2009.09.22

So look, why am I justified in believing in germs, various kinds of viruses that I can't see, or bacteria or what have you, that I can't see?

所以,我为什么相信微生物,相信各种肉眼无法看到的病毒,细菌等诸如此类我看不到的东西确实存在

耶鲁公开课 - 死亡课程节选

During the last flu season, twelve percent of H1N1 viruses tested in the United States were resistant to Tamiflu.

VOA: special.2009.03.04

This shows the greatly magnified compared to the size of a cell because viruses are much, much smaller than cells.

这是一幅放大了许多倍的,细胞图片,因为病毒比细胞小得多的多

耶鲁公开课 - 生物医学工程探索课程节选

The scientists found that the affected bees had a number of viruses from a group called picorna-like viruses.

VOA: special.2009.09.22

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

The experts noted conflicting results concerning a possible link between the disorder and a group of viruses known as murine leukemia viruses.

VOA: special.2011.01.18

If you can genetically engineer viruses like this and viruses have all those good properties as gene therapy vehicles that I described.

如果你能像我说的这样在遗传上改造病毒,加之病毒具备诸多优点,适合作为基因治疗的载体

耶鲁公开课 - 生物医学工程探索课程节选

Makers of the devices say they kill bacteria and viruses because they help to remove the wetness that germs need to survive.

VOA: special.2009.07.14

We talked about attenuating in the laboratory, using cell culture techniques and what we know about mutating viruses.

我们讲过实验室中,利用细胞培养技术培养减毒疫苗,以及我们所了解的减毒病毒

耶鲁公开课 - 生物医学工程探索课程节选

Evidence is increasing that common influenza viruses are becoming resistant to the main drug used to treat them.

VOA: special.2009.03.04

People have tried to produce viruses that are different, adenoviruses for example, that your immune system can't recognize.

人们尝试制造一些不同的病毒,就拿腺病毒来说,让免疫系统无法识别

耶鲁公开课 - 生物医学工程探索课程节选

The studies also appear to show that environmental causes such as viruses or bacteria may be involved.

VOA: special.2009.01.06

Because of this people have sought other kinds of viruses to use as vectors and one that's commonly used is an adenovirus.

正因为如此,人们找到了其它病毒来,作为载体,常见的有,腺病毒

耶鲁公开课 - 生物医学工程探索课程节选

Viruses change,or mutate, so flu vaccines must be reformulated each year to target the most common threats.

VOA: special.2009.03.04

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

But public health officials point out that flu viruses can return more aggressively after a few months.

VOA: special.2009.05.06

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

Common viruses or bacteria may also increase the chances that some people will develop the disease.

VOA: special.2009.01.06

Usually viruses have certain kinds of cells they want to infect or that they're capable of infecting.

通常病毒倾向于或者有能力,感染某些种类的细胞

耶鲁公开课 - 生物医学工程探索课程节选

Rod Curtis says that shows the importance of the new vaccine targeting both viruses at once.

VOA: special.2010.01.18

Now, the other nice thing about viruses is not only are they very efficient but most viruses are specific for certain kinds of cells.

病毒的另一个绝妙之处在于,它们不仅高效,对特定细胞的特异性也很好

耶鲁公开课 - 生物医学工程探索课程节选

She is an expert in the development and genetics of immune deficiency viruses in primates.

VOA: special.2009.09.08

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

The study of immunology is the study of mechanisms that your body uses to protect itself from mainly from foreign pathogens like viruses and bacteria.

免疫学研究身体,采用何种机制来保护自身,免受外源病原体如病毒和细菌的伤害

耶鲁公开课 - 生物医学工程探索课程节选