英语语法分析

Except no one is born with microbiota. It develops during the first year of life.

没有人生下来就有微生物群，它是在婴儿生下来后第一年内形成的。

These observations support the hypothesis of functional redundancy in the human gut microbiota.

这些观察支持了认为人类肠道菌群的功能冗余的假设。

Another aspect of the study suggests the company you keep may also enrich your gut microbiota - at least in mice.

另一方面，这项研究也显示，你的同伴也会丰富你的肠道菌群——至少在小鼠中是如此。