coal dust

US 
UK 
  • na.煤粉
  • Web煤尘;煤末;煤灰
na.
1.
煤粉

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard