单词：papillomavirus cattle cutaneous papillomas
单词：papillomavirus cattle cutaneous papillomas 相关文章
Cattle Plague Declared Eradicated Scientists are declaring victory over a deadly animal disease that cattle herders around the world have dreaded for millennia. Rinderpest becomes the second disease in all of human history to be successfully eradicat
VOA标准英语2011年(六月)
By David McAlary Washington 28 February 2007 watch Barry Unger HPV report A sexually-transmitted virus that is a leading cause of female cancer deaths in developing countries is also very prevalent in the United States. It is the human papillomaviru
2007年VOA标准英语（二月）
This is the VOA Special English Health Report. Male circumcision is the cutting off of a small amount of skin from the tip of the penis. In many parts of the world it is done when a baby is a few days old. However, in other parts of the world it is
VOA慢速英语2009年（四）月
AGRICULTURE REPORT - U.S. Cattle Industry Update By Mario Ritter Broadcast: Tuesday, February 24, 2004 This is Bob Doughty with the VOA Special English Agriculture Report. United States agriculture of
农业与发展
US to Destroy Hundreds of Cattle Linked to Mad Cow Infection Michael Bowman U.S. agriculture officials have announced plans to destroy hundreds of cattle linked to the first case of mad cow disease fo
VOA2004（上）--各类新闻
AS IT IS 2016-04-11 Children and Cattle Compete at Houston Rodeo Cowboys and cowgirls from across the United States were in Houston, Texas last month for the Houston Livestock Show and Rodeo. The Houston rodeo is one of the biggest shows of its kind
2016年VOA慢速英语(四)月