sooty          
adjective uk/ˈsʊt.i/ us/ˈsʊt̬.i/
 煤烟的;煤灰的
covered in soot (= a black powder produced when coal, wood, etc. is burned)
  There were a lot of flames and a lot of thick, black, sooty smoke. 有很多火焰和大量厚厚的黑色煤烟。 
 Sooty particles that lodge in the lungs are harmful.  煤烟颗粒滞留在肺部是有害的。 
  黑色的,煤黑色的
black, or the colour of soot (= a black powder produced when coal, wood, etc. is burned)
  The film is shot in sooty black and white. 这部电影是用黑白胶片拍摄的。 
 I admired the sooty black coats. 我喜欢那几件煤黑色的外套。 
 See: soot
 - More examples
 - All the buildings were crumbling and everything was sooty and dirty.
 - A thunderstorm erupted and black sooty rain fell.
 - a sooty black kitten