What are the most dirties things in the world ?

全世界那些最脏？

Man dirties the air with gases and smoke , poisons the water with chemicals and other substances , and damages the soil with too many fertilizers and pesticides .

人们通过气体和烟雾来污染空气，用化学物质以及其他物质污染水源，还用大量的化肥和杀虫剂破化土壤。

Who has the dirties apartment ?

谁的房间最脏？

It is foul bird that dirties its own nest .

鸟无论如何龌龊，不会弄脏其巢。

Today it is a tribal taboo , a purification ritual that dirties those who come in contact with it .

而在今天，它变成了部落禁忌，变成一个净化仪式，任何与之相接触的人都会受到玷污。