以下为句子列表：
英文: 50 years of Bigfoot tracks have been documented, a few showing what some scientists are convinced are the anatomical signatures of a large bipedal primate.
中文: 文件记载过50年来的野人足迹。一个大双足灵长类动物的解剖的遗迹展示过几次，这让科学家们确信了这件事。
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英文: At the recent AAAS (American Association for the Advancement of Science) annual meeting in Washington DC, researchers showed off bipedal designs.
中文: 最近，在美国科技进步协会的华盛顿年会上，研究者们展示了“双足机器人”的设计方案。
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英文: Because running birds are the second-best bipedal sprinters after humans, the investigators say their research should provide valuable clues to understanding human locomotion, with potential benefits to rehabilitative medicine.
中文: 因为在两足动物中，奔跑的鸟类是仅次于人类的短跑健将，研究人员认为他们所做的实验，对于了解人们的运动状态，应该可以提供有价值的线索，且对复健医学具有潜在的助益。
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英文: Taxonomists—bipedal apes who tend to inhabit temperate zones in the northern hemisphere—have characterised what is under their noses reasonably well.
中文: 分类学家—倾向栖息于北半球温带地区的两足猿—对生活在他们眼皮底下的生物描述得相当不错。
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英文: The argument centered on the observation that whereas A. afarensis has clear adaptations to bipedal walking in its lower body, its upper body exhibits a number of primitive traits better suited to an arboreal existence, such as long, curved fingers for gr
中文: 争论集中在这个事实上：尽管南方古猿阿法种下肢明显适应双腿着地的行走，但其上肢还依然显示了为数不少的更适于树上生存的原始特征，例如用于抓握树枝的长且弯曲的手指。
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