当我们的太阳后来温度变得更高时，早期细菌持续清除大气中的二氧化碳和甲烷，使地球的气候不至于变得太热而无法维持生命的存在。

When our Sun later became hotter, the continued removal of atmospheric carbon dioxide and methane by early bacteria kept Earth's climate from becoming too hot to sustain life.

youdao

在这里，您肠道中的健康细菌分解了纤维，产生氢气，二氧化碳，甚至甲烷。

Here, healthy bacteria in your gut break down the fiber, which produces hydrogen, carbon dioxide, and even methane.

youdao

在这里，您肠道中的健康细菌分解了纤维，产生氢气，二氧化碳，甚至甲烷。

Here, healthy bacteria in your gut break down the fiber, which produces hydrogen, carbon dioxide, and even methane.

youdao