As they paddled past mangroves at dusk on 1 november , they spotted a badly decomposed body wrapped in a rug and raced to tell their parents .
这两个孩子十一月一日黄昏划船经过红树林时发现一具裹在地毯里严重腐烂的尸体，就马上跑回家告述其父母。
But they are known as fossil fuels because they are made from decomposed plants and animals that have been buried in the ground for millions of years .
