Shanghai Haidi Digital Publishing Technology Co., Ltd.
Study Japanese vocabulary and practice exercises
Study Japanese vocabulary for N5 and N4 exams. Access detailed explanations, example sentences, and true-to-life pronunciation. Complete 20 units with practice questions and true exam-style vocabulary review.
Study for fund qualification exams with chapter-specific practice questions, past papers, and high-frequency topics. Use AI-powered question recommendations and detailed explanations. Track progress with error review and performance analysis.
Learn vocabulary using the Leitner Box algorithm with four stages: initial, review, recall, and elimination. Advance words through stages by testing retention. Choose from three learning modes: quick review, spelling, and listening.