Hazeisairpollutioninwhichismixedupwithdust,smokeandotherdryparticles,anditobscuretheclarityoftheskyandinteractswiththenaturalenvironment. 陰霾是空氣污染和灰塵,煙霧和其他干燥粒子,它掩蓋了清晰的天空,與自然環(huán)境進(jìn)行交互?! §F霾原因 Thiskindofairpollutantcomefromavarietyofnaturalandmanmadesources.Naturalsourcescanincludewindblowndust,andso (共 753 字) [閱讀本文] >>