Chemicals rayed on croplands or forests or garde lie long in soil, entering into living organisms, pa ing from one to another in a chain of poisoning and death.

• 喷洒到农田、森林或者花园里的化学物质长期滞留于土壤中，渗入有机体内，并彼此相传，形成了一个中毒与死亡的链条。