12.Then came the chemical action of nature; in the depths of the seas the vegetable accumulations first became peat; then, acted upon by generated gases and the heat of fermentation, they underwent a process of complete mineralization.
然后是大自然的化学作用;在海洋深处, 植物堆积物首先变成泥炭;然后,在产生的气体和发酵热量的作用下,它们经历了完全矿化的过程。机翻
「地心游记-The journey to the heart of the Earth」评价该例句:好评差评指正