2. He helped popularize the idea that some diseases not previously thought to have a bacterial cause were actually infections, which aroused much controversy when was first suggested. 【分析】多重复合句。主句主干是 He helped popularize

发表于:2018-12-04 / 阅读(81) / 评论(0) 分类 考研英语长难句讲解

he people who, who work on the origin of life 今天研究地球生命来源的专家认为 on earth today seem to have come to the conclusion 海底的高热火山口 that the most likely place for life to have begun 是最可能开始出现生命的地

发表于:2018-12-07 / 阅读(159) / 评论(0) 分类 神秘的月球

This is the VOA Special English Development Report. Bacterial meningitis must be treated with antibiotics as soon as possible or the infection can cause hearing loss and brain damage. It can also kill. File photo of a girl being vaccinated against m

发表于:2018-12-15 / 阅读(53) / 评论(0) 分类 VOA慢速英语2008年(十一)月

This is the VOA Special English Development Report. An estimated one-third of all people are infected with tuberculosis. Most have latent, or inactive, cases. They do not suffer coughing, increased body temperature or other signs of active TB. A tub

发表于:2018-12-15 / 阅读(53) / 评论(0) 分类 VOA慢速英语2008(十)月

This is the VOA Special English Health Report. Even minor cuts can become infected if they are left untreated. Any break in the skin can let bacteria enter the body. An increasing number of bacterial skin infections are resistant to antibiotic medic

发表于:2018-12-15 / 阅读(51) / 评论(0) 分类 VOA慢速英语2008年(一)月

They say that who you hang out with says a lot about who you are. Well, the microbes that hang out on your fingers can point to exactly who you are. Because scientists at the University of Colorado in Boulder have been able to identify individuals ba

发表于:2018-12-24 / 阅读(74) / 评论(0) 分类 Scientific American(三)月

A passionate kiss shares much more than intimacy. A single 10-second smooch can transfer tens of millions of bacteria from one partner to the other. Thats the finding from a study in the journal Microbiome. [Remco Kort et al, Shaping the oral microbi

发表于:2019-01-02 / 阅读(43) / 评论(0) 分类 英伦广角

Broadcast: April 30, 2003 By Nancy Steinbach This is the VOA Special English Health Report. American researchers say drinking tea may help strengthen the body's defense system against infection. Docto

发表于:2019-01-06 / 阅读(83) / 评论(0) 分类 VOA2003(上)-健康资讯

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Seventy percent of all antibiotics in this country go to livestock like pigs and chickens. And concern is growing about drug-resistant bacteria that sp

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 Scientific American(三)月

This is the VOA Special English Health Report. There are low-cost vaccines, taken by mouth, that can protect against cholera. The vaccine is commonly provided to international travelers, but not to communities that suffer cholera epidemics. There ar

发表于:2019-01-11 / 阅读(162) / 评论(0) 分类 VOA慢速英语2007年(十二)月

Mucus: Your Friend Against Bacteria 粘液助你对抗细菌 When you are sick with a cold or the flu, you may have a runny nose. Why is it called a runny nose? Because of the mucus flowing and dripping from your nose. Yucky! But, guess what? Mucus i

发表于:2019-01-12 / 阅读(69) / 评论(0) 分类 2016年VOA慢速英语(一)月

Science and Technology 科技 Clean water 清洁水源 Silver threads of life 生命的银丝带 A water filter that kills bacteria, rather than just removing them 新滤水器能够消灭细菌,而不单单是排除细菌 MORE than a billion peopl

发表于:2019-01-26 / 阅读(69) / 评论(0) 分类 经济学人科技系列

Those are symptoms of an infection. 这些是感染的症状。 symptom 症状 Any other symptoms? 还有其他的症状吗? infection 传染;感染 bacterial infection 细菌感染 an ear infection 耳部感染 A:Back again,Bill? 又回来了,比

发表于:2019-02-12 / 阅读(73) / 评论(0) 分类 跟艾米莉一起学口语

One of the odder aspects of infection is that microbes that normally do no harm at all sometimes get into the wrong parts of the body and go kind of crazy, 感染有许多古怪的方面。其中之一是,有些在正常情况下完全无害的微生

发表于:2019-02-17 / 阅读(59) / 评论(0) 分类 万物简史

Bacteria do it all the time without fuss, and thank goodness, for no larger organism could survive without the nitrogen they pass on. 而细菌一直在不慌不忙地干这件事。谢天谢地,要是没有它们来传送氮,大的生物就活不下

发表于:2019-02-17 / 阅读(104) / 评论(0) 分类 万物简史

As one leading biology text puts it, with perhaps just a tiny hint of discomfort, 正如一篇重要的生物学文章所说,说得也许有点儿令人不大舒服: Researchers agree that such reactions would not have been energetically favorabl

发表于:2019-02-17 / 阅读(62) / 评论(0) 分类 万物简史

But then if you think about it, the squid has this terrible problem 但是如果你再深入地想一下,这乌贼会有一个可怕的问题, because it's got this dying, thick culture of bacteria and it can't sustain that. 因为在它的体内,

发表于:2019-03-04 / 阅读(117) / 评论(0) 分类 TED演讲教育篇

And the final thing is, again just to reiterate that there's this practical part, 最后,只是再一次重申,这个研究的实际应用方面, and so we've made these anti-quorum sensing molecules that are being developed as new kinds of the

发表于:2019-03-04 / 阅读(140) / 评论(0) 分类 TED演讲教育篇

So we went back to molecular biology and started studying different bacteria, 所以我们回到分子生物学的方法,开始研究不同的细菌, and what we've found now is that in fact, bacteria are multilingual. 我们现在已经发现,事

发表于:2019-03-04 / 阅读(100) / 评论(0) 分类 TED演讲教育篇

What was actually interesting to us was not that the bacteria made light, but when the bacteria made light. 事实上,我们感兴趣的部分并不是细菌会不会发光,而是细菌何时发光。 What we noticed is when the bacteria were alo

发表于:2019-03-04 / 阅读(136) / 评论(0) 分类 TED演讲教育篇