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科学家分析了一个保存完好、有2900万年历史的像猴子的动物头骨,发现这种看来像猴子、猿和人类祖先的动物并不像我们以前认为的那样聪明。
Scientists analyzed a well-preserved animal skull, like a monkey, 29 million years old and found that animals that looked like monkeys, apes and human ancestry were not as clever as we thought before.