Researchers in the African country of Niger have introduced a new vaccine that protects against the diarrheal disease called rotavirus. 非洲国家尼日尔的研究人员推出了一种新型疫苗,可以预防轮状病毒腹泻。 A scientific t

发表于:2018-12-07 / 阅读(68) / 评论(0) 分类 2017年VOA慢速英语(四)月

90 消化系统摄影仪通过政府审批 SCIENCE REPORT ?September 5, 2001: Digestive System CameraBy George Grow (Start at 1'01

发表于:2019-01-02 / 阅读(73) / 评论(0) 分类 科技之光

By Nick Wadhams Nairobi 27 August 2007 Sudan has given the country director for the U.S.-based aid agency CARE 72 hours to leave the country, the latest in a series of expulsions of western envoys. As Nick Wadhams reports from Nairobi, it is also see

发表于:2019-01-13 / 阅读(94) / 评论(0) 分类 2007年VOA标准英语(八月)

By Nick Wadhams Nairobi 24 August 2007 The Sudanese government has expelled the top Canadian and European envoys on allegations that they were interfering in the country's affairs. As Nick Wadhams reports from Nairobi, the expulsions raise new fears

发表于:2019-01-13 / 阅读(86) / 评论(0) 分类 2007年VOA标准英语(八月)

The United States has told Venezuela that its ambassador to Washington will be expelled in the latest chapter of a growing diplomatic dispute. The U.S. also slapped sanctions on Venezuelan officials for allegedly supplying arms and helping drug traf

发表于:2019-02-03 / 阅读(80) / 评论(0) 分类 VOA标准英语2008年(九月)

By Cathy Majtenyi Nairobi 06 September 2006 The Eritrean government has expelled five U.N. staff members on spying allegations. Four out of the five are members of the U.N. Mission in Ethiopia and Eritrea. The fifth was formerly a security coordinat

发表于:2019-02-05 / 阅读(126) / 评论(0) 分类 2006年VOA标准英语(九月)

By Benjamin Sand Islamabad 19 June 2007 Iran is forcibly repatriating tens of thousands of Afghan nationals, calling the undocumented workers a drain on the Iranian economy. From Islamabad, VOA correspondent Benjamin Sand reports the United Nations s

发表于:2019-02-07 / 阅读(104) / 评论(0) 分类 2007年VOA标准英语(六月)

ABIDJAN, Jan. 6 (Xinhua) -- Cote d'Ivoire on Thursday expelled(驱逐) the ambassadors from Britain and Canada, state television reported. A statement from the government of incumbent President Laurent Gbagbo read in the state television said the

发表于:2019-02-11 / 阅读(64) / 评论(0) 分类 英语新闻

On Tuesday, the Prime Minister of Fiji expelled the top diplomats of Australia and New Zealand and told them to leave in 24 hours. Then New Zealand told the Fijian diplomat in Wellington that he had to leave and go home. Fiji has expelled four New Ze

发表于:2019-02-25 / 阅读(160) / 评论(0) 分类 新西兰英语