编年史教授亨利·路易斯·盖茨最近研究了一个研究项目，研究19世纪非洲裔美国人的小说和诗歌。
A chronicle professor, Henry Louis Gates, recently studied a research project looking into 19th century African-American fiction and poetry.
美国的麦科罗国际研究所的研究人员维罗德·米奇拉在主持一项关于非洲夫妇的研究。
Vinod Mishra at Macro International, a research group in the United States, led a study of married couples in Africa.
美国和瑞士的科学家研究了非洲湖泊中的棘鳍类热带淡水鱼。
Scientists in the U.S. and Switzerland were studying the cichlids that live in African lakes.
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