Black lung is a coal miner's disease caused by the frequent inhaling of coal dust.
黑肺是一种由经常吸入煤尘引起的煤矿矿工疾病。
2
Coal miners far and away have the highest mortality rate from pneumoconiosis, or black lung disease, which is cause by long-term exposure to coal dust.
尘肺和黑肺病都是因长期接触煤尘所致，那煤矿工无疑是由这两种病导致的死亡率最高的人群。
3
Once the sludge dries, the lead may be even more dangerous. If inhaled, the sludge dust can cause respiratory problems, even lung cancer.