The U.S. ambassador to the United Nations is calling for a greater international response to the Ebola outbreak that has killed almost 5,000 people in West Africa. 美国驻联合国大使萨曼纱`鲍沃呼吁国际社会加大对埃博拉疫情的应对.目前该病毒已经导致西非近5000人丧生. In a Twitter message posted on Monday as she spent a day in Guinea, Samantha Power said the "scale of need is staggering." She also said the "most basic resources will help save lives." 萨曼纱在周一访问几内亚的时候在推特上发文称"必需品的需求量惊人".她还表示"大多数基础物质将有助于挽救生命". Power later touched down in Sierra Leone for the second leg of her regional tour, which also will take her to Liberia. 稍后她将前往其地区之行的第二站-塞拉利昂,第三站将是利比里亚. ________________________. This is VOA News.这里是美国之音新闻.