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.
Read ancient texts with vertical layout, traditional Chinese characters, and customizable page settings. Save books to a shelf with progress sync and tags. Search keywords in full-text. Adjust font size, spacing, and page margins.
Learn English through original materials like news articles, poems, and books. Practice listening and speaking with native speaker audio. Access structured courses for conversation, reading, and writing.
Learn English through structured lessons covering grammar, vocabulary, and sentence structure. Access dialogues, illustrations, and exercises for each lesson. Track progress and practice listening, speaking, reading, and writing skills.
