美国国家公共电台 NPR Deadly Opioid Overwhelms First Responders And Crime Labs in Ohio

Deadly Opioid Overwhelms First Responders And Crime Labs in Ohio play pause stop mute unmute max volume 00:0004:57repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash

【美国总统电台演说】2009-05-02

Over the last week, my administration has taken several precautions to address the challenge posed by the 2009 H1N1 flu virus. Today, Id like to take a few minutes to explain why. This is a new strain of the flu virus, and because we havent develope

访谈录 2008-07-20&07-21 法国第一夫人出专辑啦

Quite, quite a jouncy one, this one. Shes out with album no.3, her first as Frances first lady. Carla Brunis album releases in Europe this week though its already been available free on her website, giving critics like this radio DJ in London a chan

美国国家公共电台 NPR In 'The Power,' Women Develop A Weapon That Changes Everything

ROBERT SIEGEL, HOST: 2017 has been bookended by two novels about women and power. As the year began, Margaret Atwood's classic, The Handmaid's Tale, began making its way to the top of the best-seller lists. It depicts a future where women are strippe

美国国家电台 NPR 2012-09-18

Tunisia is on edge three days after extremists attacked the American embassy in Tunis. NPR's Eleanor Beardsley is in the Tunisian capital and reports that riot police surrounded a mosque where a firebrand cleric was preaching today. Hundreds of ferve

美国有线新闻 CNN 芬太尼加剧美国毒品危机

Getting started this Monday, it's considered one of the most dangerous drugs in the world. It factors in heavily to the heroin epidemic we've reported on in the U.S. But it's also blamed for deaths in Europe, Africa, and Australia. Fentanyl is a manm

美国科学60秒 SSS 2013-02-27

As many San Franciscans have noticed, sourdough bread stays fresher longer than the regular stuff. Sourdoughs extended freshness is due to extra fermentation that traps more moisture in the dough. But now we know that sourdoughs longevity is also bec

英语听力：自然百科 非洲采矿童工状况堪忧

Every week, more children arrive to work in the hundreds of primitive mines in the bush. Here they endure long hours at dangerous jobs, wringing flecks of gold from the dirt with mercury. One of them is a 12-year-old boy named Saliou. Momodou is just

国家地理:Leather Tanner 最辛苦的职业: 皮革鞣制

This tannery is infamous as the foulest-smelling place in all of Fez, Morocco. Tanning hides may be dirty and smelly work, but somebody has to do it. Every day, 17-year-old Mousin must wind his way through the ancient alleyways of Fez. He is followin

2007年VOA标准英语-First Non-Prescription Diet Pill Approved by US

By Carol Pearson Washington 15 June 2007 With obesity an epidemic practically worldwide, drug companies have been in a race to find a diet pill that can be sold without a prescription. Glaxo Smith Klein won that race with a new drug called Alli. But,

Musical 1)Tribute Honors Martin Luther King Jr

Jan 17 ,2003 . More than 300 singers from the Washington area, as well as a dance troupe from West Africa, gathered recently to perform in the 2) Choral Arts Society of Washington's 15th annual Choral

美国科学60秒 SSS 2012-10-04

The black mamba is one of the world's most venomous snakesits bite can kill a human in just half an hour. But along with deadly neurotoxins, the black mamba's venom has a special ingredient: a painkiller as potent as morphine. So says a study in the

VOA标准英语2012--Untreatable New Forms of TB Raising Alarm

Untreatable New Forms of TB Raising Alarm The World Health Organization (WHO) lists 69 countries that have reported what is officially called extensively drug-resistant tuberculosis (XDR-TB). It's a form of the mycobacterium that, like the one report

VOA标准英语2010年-Researchers Seek Genetic Clues to Dead

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-Use of Antibiotics in Livestock Debate

Animals in many large livestock-raising operations around the world get a small but steady dose of certain antibiotics in their feed. Doctors around the world are finding it harder and harder to cure some infections. Bacteria are developing resistanc

银纳米粒子将防治真菌病害

银纳米粒子将防治真菌病害 Large farms use various chemicals to fight fungi and bacteria that attack crops, and others such as e. coli that are harmful to humans. 大规模农作物产地都会使用化学产品来抵御损害农作物的真菌

科学美国人60秒 SSS “盖子”的神奇之处

LSD is one of the most potent hallucinogenic drugsactive at just around 100 microgramsa miniscule amount. That fact has fascinated pharmacologists for decades. Namely, how can it have such long-lasting effects12 hours or moreat such tiny doses? 麦角酸

胡敏读故事记单词（14）

胡敏读故事记单词（14）

VOA常速英语2013--海洋微生物产生未知抗生素

Marine Microbe Produces Unknown Antibiotic 海洋微生物产生未知抗生素 Next time you hit the beach, dig your feet into the sand. And consider that your toes might be mingling with the wonder drug of the future: an antibiotic strong enough to

【英语时差8,16】蓝莓提升记忆？-上

You probably already know that blueberries are delicious. And you may have heard that theyre healthful, too.But did you know that blueberries boost memory in older people at risk for memory loss? A study looked at how drinking wild blueberry juice af