1. These rivers and lakes are contaminated.
    这些湖泊和河流已被污染。

2. Heavy metals from coal mining have contaminated much of the area’s waters.
    开挖煤矿时逸出的重金属已经污染了这个地区的许多水域。

3. People get sick from drinking contaminated water.
    人饮用了被污染的水就会生病。

4. Rivers, land, and forests are so contaminated that many are now biologically dead.
    河流、土地及森林的污染是如此严重，以至现在其中的许多在生物学上来讲已经死亡。

5. In that post-independence era, when everything foreign was considered contaminated by colonialism, we talked of cottage industries and economic imperialism.
    在独立后的时代里, 当每一样舶来货都被认为含有殖民主义的毒素的时候，我们谈论的是家庭小工业和经济帝国主义。