Inherent immunity has innate immune defense function, which forms gradually in germ-line development and evolution of the long-term.

固有免疫是机体在长期种系发育与进化过程中逐渐形成的一种天然免疫防御功能。

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Then, these microbes can be reunited with other members of a microbial community in germ-free mice to create more simplified models of human gut communities.

也可以吧这些微生物与其他微生物群落结合，早无菌小鼠身上建立模型，从而可产生一些简单的人类肠道菌群。

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Olive oil, wheat germ oil, and rice bran oil also naturally contain squalene, albeit in smaller amounts.

橄榄油，小麦胚芽油、米糠油中也含有天然的角鲨烯，但含量不多。

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"We know that animals in 'germ-free' conditions can reproduce, they have a longer lifespan, and they seem to live perfectly OK, provided you don't expose them to stress or damage, " said Sven Pettersson, the Karolinska Institute microbiologist who, along with neuroscientist Rochellys Diaz Heijtz, led the research.

BBC: Bacteria in mouse gut affect development and behaviour

Pfizer, which always kept a presence in developing new germ-killing drugs, saw its Zyvox become a fast-growing drug in recent years.

FORBES: Magazine Article

But it would be surprising if Brazil does not see in the summit the germ of a united South American front in talks for a Free Trade Area of the Americas, which could speed up next year.

ECONOMIST: Brazil��s foreign policy