fossil fuel

US 
UK 
  • n.化石燃料(如煤或石油)
  • Web矿物燃料;石化燃料;化石能源
Plural Form:fossil fuels  
fossil fuel
n.
1.
化石燃料(如煤或石油)fuel such as coal or oil, that was formed over millions of years from the remains of animals or plants

Sample Sentence

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