标签：parasite 相关文章
New Vaccine Research Aimed at Cattle Killer 新疫苗研究意在对付牧牛杀手 New research is underway to develop an advanced vaccine against East Coast fever a parasitic disease that killed more than one-million cattle in Africa last year. Res
VOA标准英语2014年(二月)
- 32 - palm n.手掌,掌状物,棕榈vt.与握手,藏于掌中 pamphlet n.小册子 panel n.面,板;控制板,仪表盘;专门小组 panic n./a.恐慌(的),惊慌(的) vt.使惊慌,使害怕 panorama n.全景,全景画,全景摄影,全景照片[装置] pant n.喘气 v.喘,气喘吁吁地说 paperback n.平装本，简
俞敏洪07年考研英语词汇
By Michael Bowman Caracas, Venezuela 28 June 2007 Protesters in Caracas 27 June 2007 Tens of thousands of Venezuelans have marched in the capital to press for freedom of expression, one month after self-proclaimed socialist President Hugo Chavez shut
2007年VOA标准英语（六月）
By Efam Dovi Accra 09 February 2007 Former U.S. President Jimmy Carter has called for urgent action to eradicate guinea worm disease in Ghana. Guinea worm is a water-born worm infection that is contracted when people drink water containing the worm's
2007年VOA标准英语（二月）
By Efam Dovi Accra 25 April 2007 Progress has been made in reducing malaria cases in Ghana, but the disease continues to be a primary health concern in the country as well as an economic burden. As the West African nation joins the rest of the contin
2007年VOA标准英语（四月）
By Margaret Besheer Washington 15 February 2007 Malaria afflicts as many as 500 million people each year around the world. More than 1 million die, most of them children under the age of five living in sub-Saharan Africa. Last June, President Bush l
2007年VOA标准英语（二月）
184 Million Africans at Risk for Malaria 1.84亿非洲人面临疟疾风险 New research shows that after 10 years of intensified campaigns against malaria 184-million people in Africa still live in moderate to high-risk areas. While the number is hi
VOA标准英语2014年(二月)
By Jessica Berman Washington 19 March 2007 Transgenic mosquito Scientists say they are a step closer to showing that it may be possible to genetically alter mosquitoes to control malaria, a disease that kills more than a million people in developing
2007年VOA标准英语（三月）
An international medical aid group says the number of people dying from malaria could be dramatically reduced by providing free testing and treatment. The group made the announcement based on three successful programs in Africa where most malaria de
VOA标准英语2008年（十月）
By Efam Dovi Accra 06 December 2006 Officials are meeting in Ghana to discuss ways to get an early start on administering malaria vaccines in Africa. The vaccine is currently on trial in six African countries. Malaria is a major cause of death for c
2006年VOA标准英语（十二月）