After growing them they found their structures had matured into the components that make teeth including dentin enamel dental pulp blood vessels and periodontal ligaments.

这些细胞长成后，研究人员发现它们的结构已经分化成熟为各种成分并形成了牙本质、釉质、牙髓、血管及牙周韧带。

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After growing them, they found their structures had matured into the components that make teeth, including dentin, enamel, dental pulp, blood vessels, and periodontal ligaments.

这些细胞长成后，研究人员发现它们的结构已经分化成熟为各种成分并形成了牙本质、釉质、牙髓、血管及牙周韧带。

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It's what motivates non-human animals, human infants and probably human adults to explore and seek out new things before growing less interested in them after continued exposure.

这是促使非人类动物、人类婴儿，甚至可能是人类成年人探索和寻找新事物的动力，而在持续接触之后，他们对新事物的兴趣会减弱。

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By that view, the phalanx would have come into being somewhere between about 700 and 650 B.C., which is to say after the earliest poleis are in business, and according to this interpretation, you really have them growing up together.

根据那个观点,方阵是在公元前七百年到,公元前六百五十年间出现的,也就是在最早的城邦形成之后,根据这个说法,这二者是同时发展起来的

耶鲁公开课 - 古希腊历史简介课程节选

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