单词：orthohepadnavirus
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Broadcast: June 6, 2003 By Caty Weaver This is the VOA Special English Environment Report. The chief of the United States Environmental Protection Agency has announced her resignation. Christine Todd
VOA2003（上）-国际经纬
This is the VOA Special English Health Report. Swine flu is a respiratory sickness caused by an influenza virus that mainly infects pigs. However, sometimes the virus can sicken humans. That is what has happened in Mexico in the last few weeks. The
VOA慢速英语2009年（四）月
Technology Report - New Research Hopes to Speed Development of HIV Vaccine This is the VOA Special English Technology Report. A team of scientists in the United States has created a new type of mouse that has an immune system similar to that of human
2012年VOA慢速英语(八)月
[ti:UNIT 2 DNA Lesson 10 What Is DNA?] [0:02.300]UNIT 2 第二单元 [0:03.936]DNA [0:06.098]Lesson 10: 第10课： [0:07.918]What Is DNA? 什么是DNA？ [0:10.668]THINK ABOUT IT! 想一想！ [0:12.400] Do you and the students near you look the sam
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[ti:UNIT 2 DNA Lesson 13 Clones Are the Same] [0:00.788]UNIT 2 第二单元 [0:02.442]DNA [0:05.530]Lesson 13: 第13课： [0:07.106]Clones Are the Same 克隆人是一样的 [0:09.703]THINK ABOUT IT! 想一想！ [0:11.155] You have a pet that you l
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This is the VOA Special English Development Report. Health officials in the Democratic Republic of Congo have declared the end of an outbreak of Ebola virus. Cases were first identified in December in the southern province of Kasai Occidental. The W
VOA慢速英语2009年（二）月
World Hepatitis Day is observed on May the 19th. It aims to increase awareness worldwide of the diseases hepatitis B and hepatitis C. Its hope is to encourage the prevention and diagnosis of these two diseases, and increase the number of people who r
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SCIENCE IN THE NEWS -August 20, 2002: U.S. Doctors Separate Guatemalan Sisters Joined at the Heath / West Nile Virus Spreads in the United States Broadcast: VOICE ONE: This is Ray Freeman. VOICE TWO:
科技之光
By Peter Fedynsky Washington, DC 03 March 2006 watch Combating Bird Flu Migratory birds Last year, avian flu was confined to four countries in Asia. Today, the virus is reported in 33 nations on three
2006年VOA标准英语（三月）
This is the VOA Special English Health Report. Evidence is increasing that common influenza viruses are becoming resistant to the main drug used to treat them. The drug is oseltamivir, also known as Tamiflu. The most common seasonal flu virus found
VOA慢速英语2009年（三）月
This is the VOA Special English Development Report. People get chikungunya fever when they are bitten by mosquitoes infected with the disease. For many years, the disease has been found in countries in Africa and Asia. The symptoms are increased bod
VOA慢速英语2009年（四）月
SCIENCE IN THE NEWS - Efforts to Stop Polio Continue FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. I'm Faith Lapidus. BOB DOUGHTY: And I'm Bob Doughty. On our program this week, we tell about efforts to defeat the disease polio.
2011年VOA慢速英语(五)月
By Gilbert da Costa Abuja 28 June 2007 The recent release of Niger Delta militant Mujahid Dokubo-Asari has prompted calls for the immediate release of another separatist leader from the southeast. For VOA, Gilbert da Costa reports from Abuja. Ralph U
2007年VOA标准英语（六月）
By Patricia Nunan Kathmandu 19 April 2006 A police personnel stands next to a car that was burnt during a demonstration against King Gyanendra in Kathmandu Diplomatic efforts to stop Nepal from fallin
2006年VOA标准英语（四月）
A senior U.N. health official warns that governments must better prepare themselves to fight an influenza pandemic should one break out. Citing a new World Bank report that says the economic price tag of an influenza outbreak could top $3 trillion,
VOA标准英语2008年（十月）
STEVE INSKEEP, HOST: So many Cabinet nominees, so little time. One of the nominees who has a hearing today is Scott Pruitt. He is the attorney general of Oklahoma - now President-elect Trump's nominee to lead the Environmental Protection Agency. He f
2017年NPR美国国家公共电台1月
JUDY WOODRUFF: Next: the changing requirements for ethanol in gasoline and bigger questions over its wider use in recent years. Today, the Obama administration proposed cutting the amount of ethanol that would be blended into gasolinenext year. The E
PBS访谈环境系列
By Carol Pearson Washington 13 March 2008 Only three people worldwide have received partial face transplants, two in France and one in China. But now a hospital in Boston is ready to do the next one. VOA's Carol Pearson has more.
VOA标准英语2008年（三月）
LONDON Whats being billed as the future of skin care starts suspiciously like a visit to the dentist: with a mouthwash gargle. Thats to eliminate debris that may interfere with a good saliva sample, from which DNA will be extracted and serums tailore
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Who do you think your pet is? Learning from Your Dog's DNA 你认为你的宠物是谁？狗狗DNA中的发现 A simple cheek swab can reveal your dog's ancestry, provide insight into its health and even help explain its behavior 擦一下狗的脸就可
人物杂志