单词：ethnopharmacologist
[网络] 民族药理学家
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BBC Learning English People and Places Hany El Hamzawy William:Hello and welcome to People and Places the programme where you meet interesting people with interesting stories! My names William Kremer. Today, I thought wed practise some listening com
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Dr Matshidiso Moeti, Regional Director of the World Health Organization's Africa Region, says Tu Youyou's development of a treatment for malaria has been a life-saver. As you know Malaria is one of the biggest killers of African people, particularly
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2015CRI中国国际广播电台
2015CRI中国国际广播电台