Vocab InfoA17 Noun二階(にかい)second floor, upstairsDetailsExamples二階second floor, upstairsDetailsExamplesDictionary DefinitionCommonNoun1. second floor, upstairsAll Forms二階 【にかい】、2階 【にかい】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