Train logical thinking with puzzles, math problems, and spatial reasoning exercises. Solve brain teasers, logic grids, and IQ tests. Track progress with detailed explanations and daily challenges.
Learn physics with interactive 3D models, real experiment videos, and animated explanations. Access思维导图 for review, watch knowledge videos, and complete同步练习 for practice.
Read poems, listen to recitations, explore annotations
Read and analyze classical Chinese poetry and prose with audio readings in Mandarin and Cantonese. Access annotations, translations, and background information. Explore works from various periods and genres including poetry, essays, and novels.
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.
