Vocab InfoUnclassified Noun化石燃料(かせきねんりょう)fossil fuelDetailsExamples化石燃料fossil fuelDetailsExamplesDictionary DefinitionNoun1. fossil fuelAll Forms化石燃料 【かせきねんりょう】DetailsAudioPlayFrequencyGeneral Top 24,100ExamplesThere are no sentences available for this contentHold tight, context sentences are coming soon!Self-Study SentencesStudy your own way!Add sentences and study them alongside Bunpro sentences.Try Bunpro