标签：bacterial 相关文章
This is the VOA Special English Development Report. American officials say Secretary of State Condoleezza Rice will join talks on Zimbabwe this week at the United Nations. The State Department says the Security Council has failed to take meaningful
VOA慢速英语2008年（十二）月
Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is abo
新东方背诵文选
Experimental Treatment Targets Drug-Resistant Bacteria You probably have heard about the Trojan Horse. Tradition says the ancient Greeks used a large wooden horse to trick enemy forces and capture the city of Troy. Now, researchers say a similar plan
2018年VOA慢速英语(十)月
The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.
英语讨论
After several highly publicized security guests that agency she headed, the secret service director Julia Pierson is step down. Pierson's resignation was accepted by Homeland Security Director Jeh Johnson as it was approved by the president. Represen
2014年NPR美国国家公共电台10月
英国每日电讯:中国科学家研制新式武器,清除公共厕所中的难闻臭味儿.中国科学院的研究人员表示,最多能有75%的臭味被清除掉,其余的则可以通过自然,令人感到舒适的香气盖掉.这种不可思议的
双语趣听精彩世界
Broadcast: Feb 07, 2003 The World Health Organization said is about to ship millions of 2) doses of a new meningitis vaccine to almost two dozen countries in Africa. The vaccine was developed in recor
VOA2003（上）-健康之旅
New Dysentery Threat Emerges Its known that clean water and sanitation can bring a sharp decline in dysentery cases in developing countries. But its not enough to stop the spread of the disease in countries undergoing rapid development and industrial
VOA标准英语2012年(八月)
Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of
英语杂谈
An international team of researchers looking for the cause of severe bacterial epidemics has deciphered the genome of group A streptococcus, a normally harmless sore throat pathogen that occasionally turns deadly. Experts say the breakthrough could s
VOA标准英语2010年(一月)
Around the world, cesarean births are on the rise, and many experts think that's a bad thing. Now, a new study looks at one way that babies delivered by c-section are different. The number of surgical deliveries has been increasing for years. Some ce
VOA标准英语2010年(七)月
New Immunization Effort Launched Over the next three months, about 50 million young people in seven African countries will be vaccinated against meningitis. Its part of larger campaign to eliminate the disease in 26 at-risk countries. Meningitis is a
VOA标准英语2012年(十月)
后抗生素时代来了吗 In 2015, the World Health Organization warned that we are heading toward a post-antibiotic era, when more people will die from common infections. 2015年，世卫组织警告称人类正向后抗生素时代迈进，普通传
VOA标准英语2016年(二月)
DAVID GREENE, HOST: All right, now more on a disease that maybe you've never heard of. It's called lymphedema. It can occur whenever lymph nodes are removed to stop the spread of cancer, and it's most common among breast cancer patients. NPR's Patti
2018年NPR美国国家公共电台2月
That's where those unpleasant symptoms come in, starting with the surging temperature, aches and pains, and sleepiness. 那就是引起不适症状之所在开始时，体温剧升、肌肉酸痛及昏昏欲睡。 So why do we experience this? 为什么
TED演讲教育篇
Rosanne Skirble Before the discovery of antibiotics in the 1940s, millions of people died routinely of staphylococcus and streptococcus and more serious bacterial infections like meningitis, pneumonia
VOA2004（上）--国际时事
Topic 1-Mother Says NO to Bullying on Campus Recently, a mothers claim that her son has been bullied at Zhongguancun No.2 Elementary School, one of the best elementary schools in Beijing, has gone viral on the internet. The schools incompetence in ta
英语角-圆桌会议
本期内容： Hillary Clintons doctor said the Democratic presidential nominee was healthy and fit to serve, and that the 68-year-old was recovering from the bout of non-contagious bacterial pneumonia which sparked alarm at the weekend. Donald Trum
夏说英语新闻晨读
Antibiotics, as the name implies, work against life, or more specifically against living cells. Since our bodies are also made up of living cells, the antibiotics have to distinguish between the cells in our bodies and the cells of the bacteria causi
英语时差8，16
When you take an aspirin, a decongestant, or a muscle relaxant, the drug youre taking was probably made by a chemist combining a specific mixture of chemicals. Microscopic Fungi And Bacteria Antibiotics, on the other hand, are chemicals produced by m
英语时差8，16