While ancient primates like Sahelanthropus tchadensis gave sabretooth cats a wide berth, they may also have depended on these big carnivores - and others - for their survival.
虽说像萨哈人猿乍得种这样的古灵长目动物给剑齿猫科动物腾出了广阔的活动空间，但它们也可能靠这些以及其他的大型食肉动物生活。
While ancient primates like Sahelanthropus tchadensis gave sabretooth cats a wide berth, they may also have depended on these big carnivores - and others - for their survival.
虽说像萨哈人猿乍得种这样的古灵长目动物给剑齿猫科动物腾出了广阔的活动空间，但它们也可能靠这些以及其他的大型食肉动物生活。
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