求翻译：首先，鞭炮燃烧时产生的浓烟会释放出大量的有害气体，例如二氧化硫、二氧化氮，极易产生酸雨，腐蚀城市建筑物，进而影响人身体健康。是什么意思？

First of all, the firecracker smoke produced by burning will release large amounts of harmful gases such as sulfur dioxide, nitrogen dioxide, easy to produce acid rain, corrosion of buildings in cities, thereby affecting the health of the human body.

First of all, the smoke from burning firecrackers will release of large quantities of harmful gases, such as sulfur dioxide, 2 2 is extremely easy to produce nitrogen dioxide, acid rain, corrupting buildings in cities, which will in turn affect human health.

First, the firecrackers burn when produces the thick smoke can release the massive noxious gases, for example the sulphur dioxide, the nitrogen dioxide, extremely easy to produce the acid rain, corrodes the city building, then affects person physically healthy Kang.

First, the smoke produced when burning firecrackers will release a lot of harmful gases, such as sulphur dioxide, nitrogen dioxide, and very easy to produce acid rain corrosion city building, thereby affecting human health.