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| English | Chinese |
| cadmium contamination The release and presence in the air, water and soil of cadmium, a toxic, metallic element, from sources such as the burning of coal and tobacco and improper disposal of cadmium-containing waste | 镉污染 (有毒金属镉在空气、水和土壤中的释放，这种污染来源于煤和烟草的燃烧及对含镉废物的不当处理。) |