英语语法分析

Unburnt vegetation rots quickly, but black carbon persists in the soil for many centuries.

未燃烧的植物腐烂得很快，但黑碳在土壤中存留了好几个世纪。

Your own ROTs are also defined in your own ROT group.

自己的ROT也是在自己的rot组中定义的。

Another consideration is that ROTs may evolve over time.

另一方面的考虑是，ROT可能随着时间的推移而演变。