Vocab InfoA15 Noun境界線(きょうかいせん)boundary lineDetailsExamples境界線boundary lineDetailsExamplesDictionary DefinitionNoun1. boundary lineAll Forms境界線 【きょうかいせん】DetailsPitch Accentきょうかいせん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