The air is polluted with the smother of traffic and industrialsmog.
空气被令人窒息的车辆废气和工业烟雾污染了。
2
However, Frank Kelly, director of environmental research at King's College London, says the smoke isn't as dangerous as the industrialsmog seen in most cities.
不过，伦敦大学国王学院环境研究主任弗兰克·凯利说，这种烟雾并不像大多数城市看到的工业烟雾那么危险。
3
Irritative bronchitis: Irritative bronchitis (also called industrial or environmental bronchitis) may be caused by exposure to various mineral and vegetable dusts as well as cigarette smoke and smog.