而在附近的地方，淘金者们向空气和水源还排放水银。
In nearby areas, gold mining has released mercury into the air and water.
向附近的巴尔港提供水源的鹰湖，深邃、清澈，相对而言植物稀少。
Eagle Lake, which supplies water to nearby Bar Harbor, is deep, clear, and relatively free of plant life.
工业企业向河流倾倒的有毒化学物质，污染了水源。
Industries pollute rivers by dumping poisonous chemicals into them.
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