Nanjing Treasure Island Information Technology Co., Ltd.
Practice exams with AI grading and instant
Access real-time English, political, and math practice materials with detailed explanations. Use AI essay grading aligned with exam standards. Track progress with spaced repetition algorithms. Export notes and PDFs.
Learn English through interactive stories with audio narration, read along with books, and access translations for comprehension. Receive real-time feedback on pronunciation and grammar. Track learning progress for parents and educators.
Review vocabulary with adaptive algorithms that prioritize simple words and repeat difficult ones. Edit notes, add synonyms and antonyms, and search dictionaries. Import custom word lists and switch to dictionary mode.
Enhance English listening skills with real exam materials and interest-based content. Access true listening exercises, bilingual texts, and adjustable playback speeds. Practice with sentence looping, dictation, and speech evaluation.
Solve math, English, Chinese, physics, chemistry, biology, history, and politics problems with detailed step-by-step explanations. Look up English words with translations and examples.
Access learning resources including authorized textbooks, 30,000 video lessons, and 10,000 extracurricular books. Use point-read, repeat, and listen functions for textbooks.