Vocab InfoA14 Noun洞門(どうもん)cave entrance, tunnelDetailsExamples洞門cave entrance, tunnelDetailsExamplesDictionary DefinitionNoun1. cave entrance, tunnelAll Forms洞門 【どうもん】DetailsPitch AccentどうもんExamplesThere 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