50年前，路易斯·李基派珍·古道尔去研究黑猩猩，因为他觉得这些灵长类的行为可能有助于阐明人类的祖先，这是他选择的课题。
Fifty years ago Louis Leakey sent her to study chimpanzees because he thought their behavior might cast light on human ancestors, his chosen subject.
50年前，路易斯·李基派珍·古道尔去研究黑猩猩，因为他觉得这些灵长类的行为可能有助于阐明人类的祖先，这是他选择的课题。
Fifty years ago Louis Leakey sent her to study chimpanzees because he thought their behavior might cast light on human ancestors, his chosen subject.
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