VOA慢速英语2013.07.15 sometimes, describes, director, struggle, medicine

Rebecca949

Dr. Amazigo is a former director of the World Health Organization's African Program on Onchocerciasis. That is the medical name for river blindness.Amazigo医生是世界卫生组织非洲盘尾丝虫病项目的前任负责人.盘尾丝虫病是河盲症的医学名.
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rainboychen

初来乍到，请大家多多包涵！