单词：tuber mycorrhiza
单词：tuber mycorrhiza 相关文章
This is the VOA Special English Health Report. Tuberculosis killed one million three hundred thousand people around the world in two thousand seven. In addition, almost half a million people who were infected with tuberculosis and with H.I.V. also d
VOA慢速英语2009年（三）月
Health Report - WHO Urges Ban on Blood Test for Tuberculosis 健康报道 - 世卫组织督促禁用血液检测方法诊断结核病 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 The World Health Org
2011年VOA慢速英语(八)月
By Anjana Pasricha New Delhi 22 October 2006 Children infected with tuberculosis light candles at a march to mark World Tuberculosis Day in New Delhi, March 24, 2006 The World Health Organization says there has been considerable progress in the figh
2006年VOA标准英语（十月）
By Mandy Clark London 17 March 2008 A World Health Organization report says the rate of tuberculosis infections is going down across the globe, but also notes that progress in the fight against the disease is too slow. VOA's Mandy Clark reports from
VOA标准英语2008年（三月）
Prehistoric Amber Reveals Natural Ancient Alliance Scientists say a piece of amber - recently found in India and dating back at least 52 million years - offers proof of the ancient relationship between fungi and flowering trees, which sustains modern
VOA标准英语2012年(二月)