Word十じゅっ階かいjukkaiMeaningtenth floorPart of speechnounPronunciationCourseJapaneseLessonThe floor counter 階Breakdown of jukkai十じゅうjuuten〜階かい〜kaifloor counterElon.io is an online learning platformWe have hundreds of Japanese lessons and thousands of exercises.Start learning Japanese nowYour questions are stored by us to improve Elon.io