In the time when the dinosaurs dominated the daytime economy, our mammalian ancestors probably only managed to survive at all because they found ways of scraping a living at night.

在恐龙主宰着白天的局势的时代，我们的哺乳动物祖先之所以能够勉强生存下来，可能只是因为他们找到了在夜间谋生的方法。

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Although de Ricqlès urged caution, arguing for an intermediate type of dinosaur physiology, a generation of paleontologists has come to believe that dinosaur bone is mammalian like.

尽管 de Ricqlès 极力主张谨慎对待，主张恐龙生理学的一种中间类型，但这一代古生物学家已经开始相信恐龙骨骼与哺乳动物相似。

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The fact that they were able to make such animals means that we can now get over the genetic barriers to a mammalian virgin birth - in mice at least.

人为造出此类动物的这一事实意味着我们现在可以跨越遗传学上哺乳动物不能进行单性生殖的障碍——至少实现了老鼠的单性生殖。

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The new quiz comes as this is a subcortical region it's conserved across a mammalian line and probably even further back.

这块区域在皮质下,其中包含了哺乳线,有可能要更加深入。

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This is really no surprise at all in a mammalian species where one sex does all the viviparous part of the perpetuation of it.

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In their study, the researchers used mammalian retinas with a degeneration of photoreceptors in order to have an experimental model of different degenerative pathologies of the retina, such as Retinitis Pigmentosa or macular degeneration.

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You can't make cream or butter cause it's just a human udder, a natural mammalian sight.

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