Vocab InfoUnclassified Nounバックグラウンド放射線(ほうしゃせん)background radiationDetailsExamplesバックグラウンド放射線background radiationDetailsExamplesDictionary DefinitionNoun1. background radiationAll Formsバックグラウンド放射線 【バックグラウンドほうしゃせん】DetailsAudioPlayExamplesThere 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