Learn subjects like Chinese, math, and English with content aligned to national textbooks. Access 20,000+ animated videos and practice tools for pre-study, review, and exercises.
Access learning content aligned with math, physics, chemistry, English, Chinese, and biology curricula for primary, middle, and high school. Watch 3D animated lessons with engaging stories and characters.
Learn vocabulary using an adaptive memory system based on the Ebbinghaus forgetting curve. Create or customize word lists, add notes and examples, and track progress with personalized review schedules.
Learn vocabulary with scientifically spaced repetition based on the 17-day GRE method, featuring 8 review intervals and automatic reminders. View word roots and affixes. Edit definitions and examples.