VOA慢速英语听力：研究人员庆祝保护珍稀巴西猴子40周年 Researcher Celebrates 40 Years of Protecting Rare Brazilian Monkeys
Karen Strier is an American primatologist. It has been 40 years since she started studying Muriqui monkeys in Brazil. At the start, she was working on an advanced degree in anthropo...
07-06