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)
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）
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
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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