单词：isaviruses
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有声畅销书-秘密
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有声畅销书-秘密
High-Tech Images Show How Viruses Infect Cells At the University of Texas Medical School at Houston, Jun Liu uses a powerful electron microscope to examine E. coli bacteria and the tiny T-7 virus that infects them. Liu says until now, scientists coul
VOA标准英语2013年(一月)
This triggered other dramatic changes. As sea levels dropped, so did the inland water tables. Florida's fresh water drained away through the porous limestone rock. Pools dried up and springs diminished. Florida was on the brink of drought. And animal
探索与发现2013年
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有声畅销书-秘密
Peace Prize winner and former Finnish President. He also won the 2008 UNESCO Peace Prize. Ahtisaari has spent much of his career in the worlds danger zones trying to bring peace to people at war. Ahtisaari started his career as a school teacher, whic
各国名人英文介绍
Visa Inc. is one of the worlds largest global payments technology companies. Contrary to popular belief, it does not issue credit cards but allows financial institutions to issue cards that Visa then processes transactions on. Visa started in 1970, d
各大品牌英文介绍
资本主义、民主制度与全民享有的政治权利，在已开发国家是受到支持的；但对新兴市场区域的人来说，多半是奢求。在这场铿锵有力的演说中，经济学家丹比萨 莫约(Dambisa Moyo)提出理由说明
TED公开课:世界权势大转移
This is not a word for word transcript. William: Hello and welcome to 6 minute English. I hope you're ready for another five minutes and fifty-five seconds of wonderful English language conversation about an interesting topic from BBC News. I'm Willi
六分钟英语
Astronomers say they have some intriguing new clues about one of the biggest mysteries of the universe. More than 20 years ago, scientists discovered that most of the matter in the universe is not made up of ordinary atoms, it is something invisible
2006年NPR美国国家公共电台
Technology Report - A Better Computer Mouse Cursor for the Disabled This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Using a computer mouse or trackball can be a little tricky. You choose the object
2011年VOA慢速英语(四)月
AS IT IS 2015-08-06 Olympic Committee to Test Rio's Water for Viruses Rio de Janeiro, Brazil is busy preparing for the 2016 Olympics. On Sunday, the International Olympic Committee said it will begin testing the waters where swimmers and other athlet
2015年VOA慢速英语(八)月
South Africa will soon waive visa requirements for Zimbabweans and grant them special permits to remain in the country for six months. South African deputy Home Affairs Minister Mulusi Gigaba says his government has accepted the need for a new polic
VOA标准英语2009年(四月)
Discovery Could Lead to New Drugs to Block Deadly Viruses Viruses are strange things. Though there is some scientific question about whether viruses are alive or not, they do have a basic genetic structure that allows them to be biologically active.
VOA标准英语2013年(三月)
STEVE INSKEEP, HOST: The Pentagon is funding some new research on insects and plant viruses. It says the goal is to protect agricultural crops. Some critics say it looks more like an attempt to make biological weapons. Here's NPR's Dan Charles. DAN C
2018年NPR美国国家公共电台11月
Todd: So, Lucinda you were saying that your boyfriend Kwame really likes New Zealand, so are you guys going to move back to New Zealand. Lucinda: Yes, we're actually leaving at the end of this month on the 30th of November. Todd: Oh, really, you're m
原版英语对话1000个
By Pat Harris Washington, DC 09 May 2006 watch Virus report Marburg Ebola Virus The Marburg and Ebola viruses have caused fatal outbreaks in Africa for the past four years. A recent study shows a vacc
2006年VOA标准英语（五月）
The remains of the Italian woman who was the model for Leonardo da Vinci's Mona Lisa（蒙娜丽莎） were dug up 30 years ago and now lie in a municipal rubbish tip, an Italian expert has claimed. Lisa Gherardini died in Florence in 1542 and was bu
英语新闻
Feel the wind As it brushes right over my cheek See the haze As it covers my eyes Feel my body's intention No mind can destroy As it rises and leaves me numb Feel it all coming down Feel it all coming down As I stand in the way And I'm lost on the gr
美国乡村音乐
Through this world will you guide me Through this pain Will you always hold my hand when I need you When I don't know what I'm doing with myself I'm a lost soul Walking through this world Like I have some idea When I don't, I don't And I take on the
美国乡村音乐