单词：biotic impoverishment
单词：biotic impoverishment 相关文章
The United States is set to apply maximum economic and diplomatic pressure on Iran to induce Iran's leaders to change their destabilizing policies, including their support for terrorism, missile proliferation, and impoverishment of the Iranian people
VOA标准英语2018年(七月)
By Carol Pearson Washington 28 February 2007 watch Antibiotic Resistance report Penicillin and Erythromycin are examples of antibiotics that used to be one-time miracle cures. These drugs and other antibiotics are now less effective because bacteria
2007年VOA标准英语（二月）
By Deborah Block Tucsan, Arizona 29 October 2009 President Barack Obama has invited leaders of the more than 500 Native American tribes in the United States to a White House Tribal Nations Conference on November 5. Mr. Obama says he wants to hear di
VOA标准英语2009年(十月)
STEVE INSKEEP, HOST: This year Americans will spend more than $2 billion on probiotics, supplements aimed at boosting what are called good bacteria inside us. One part of the market that's growing rapidly is probiotics for babies and kids. Here's NPR
2018年NPR美国国家公共电台5月
Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if its not the rain that makes the forestswhat if its the forests that actually generate the rain? Thats the contention of a paper in BioScience
60秒科学
Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience
Scientific American(五)月
By Nico Colombant Dakar 09 April 2008 Plans to lift presidential term limits in Cameroon are being sped through the country's national assembly, angering the opposition. President Paul Biya has been in power a quarter century, and the change would al
VOA常速英语2008年（四月）
A consortium of United Nations and private aid and financial organizations are calling for urgent investment in the health of mothers and children in Asia and the Pacific. The consortium, called the Partnership for Maternal, Newborn and Child-Health
VOA标准英语2009年(五月)
ROBERT SIEGEL, HOST: Now some good news, especially for babies around the world. Scientists in the U.S. and India have found an inexpensive treatment for a common infection. It could save hundreds of thousands of newborns each year. The treatment com
2017年NPR美国国家公共电台8月
RACHEL MARTIN, HOST: Go online, walk through any health store or supermarket, and you'll find all kinds of products being sold as probiotics. They're being promoted for all kinds of things - preventing upset stomachs, boosting the immune system, figh
2017年NPR美国国家公共电台12月
By Kurt Achin Seoul 07 July 2006 Talks between the United States and South Korea on North Korea's missile launches are complicated by sharply differing opinions in Washington and Seoul as to how to influence Pyongyang's behavior. The top U.S. diplom
2006年VOA标准英语（七月）
By Phillip Wellman Dakar 14 October 2007 The United States Agency for International Development and the U.S.-based World Cocoa Foundation have agreed to launch a multi-year partnership aimed at improving education and providing greater opportunities
2007年VOA常速英语（十月）
Probiotic yoghurt drinks and supplements dont live up to their promises, according to an EU watchdog. They claim to boost your immune system and help digestion. It concluded there is no scientific proof that products such as Yakult have any health be
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