即便如此，这两个国家在近年来也出现了一些学术研究中心，提出用其它东西替代动物实验。
Even so, academic centres supporting alternatives to animal testing have emerged in both places in recent years.
西雅图阿拉斯加渔业科学中心的国家哺乳动物实验室的Alex Zerbini告诉我们，这些鲸鱼一天内可以游50至90英里。
The whales travel about 50 to 90 miles a day, says Alex Zerbini at the National Marine Mammal Laboratory, Alaska Fisheries Science Center in Seattle.
耶基斯国家灵长动物研究中心的科学家对七只雌性黑猩猩做了测试，验证对该物种的实地观察是否与实验室结果吻合。
Scientists at the Yerkes National Primate Research Center tested seven female chimpanzees to see if observations of the species' generous behavior in the field matched their decisions in a lab.
耶基斯国家灵长动物研究中心的科学家对七只雌性黑猩猩做了测试，验证对该物种的实地观察是否与实验室结果吻合。
Scientists at the Yerkes National Primate Research Center tested seven female chimpanzees to see if observations of the species' generous behavior in the field matched their decisions in a lab.
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