Petrov's gut feeling was due in large part to his lack of faith in the Soviet early-warning system, which he subsequently described as "raw."
Petrov内心的感觉很大程度上来自他对苏联的早期预警系统缺乏信心。
But levels of friendly bacteria in the gut drop significantly after 55, particularly in the large intestine, says Tom MacDonald, professor of immunology at BartsAnd the London medical school.
但是55岁后肠道，尤其在大肠中的益生菌含量明显下降，免疫学教授TomMacDonald介绍说。
To date, CRISPR has been the most effective method for dividing cells in large organs like the skin or the gut.
对皮肤、肠道等较大的器官来说，CRISPR是迄今为止最有效的细胞再生方法。
With an acidity at least ten times that of a human's, a vulture's gut destroys a large amount of any potentially pathogenic bacteria that is ingested.
酸性至少比人类的胃酸十倍，秃鹫的消化道可以大量消灭摄入的任何可致病细菌。
Humans are a large animal with a very small gut, so we need to maximize the bang-for-the buck when it comes to what we eat.
人类是一种拥有特别的小肠的大型动物，所以我们要很在意吃的东西。
The internal gut of insects is a complex micro-ecosystem, in which inhabits a large and varied microbial community.
昆虫消化道内是一个复杂的微生态系统，有大量的微生物存在。
The internal gut of insects is a complex micro-ecosystem, in which inhabits a large and varied microbial community.
昆虫消化道内是一个复杂的微生态系统，有大量的微生物存在。
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