Persistent organic pollutants are a particularly problematic form of pollution.

持久性有机污染物是一种非常难以处理的污染物形式。

Persistent organic pollutants, or POPs, are everywhere-in ourfood, soil, air, and water.

持久性污染物无处无在—我们的食物、土壤、空气、水。

Persistent organic pollutants, or POPs, are everywhere-in our food, soil, air, and water.

持久性污染物无处无在—我们的食物、土壤、空气、水。

Workshop on Environmental Monitoring and Risk Assessment of Persistent Organic Pollutants ( POPs ).

持久性有机污染物的环境监测及风险评估技术工作坊.

The original objective of the voyage was to measure chemicals known as persistent organic pollutants, and the study of metals was an afterthought.

这次考察航程最初的目的是测量持久性有机污染物之类的化学物质，而对金属的研究是一个后即想法。