Vocab InfoA19 Noun本線(ほんせん)main line, trunk lineDetailsExamples本線main line, trunk lineDetailsExamplesDictionary DefinitionCommonNoun1. main line, trunk lineAll Forms本線 【ほんせん】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