Learn Korean with real pronunciation and vocabulary
Learn basic Korean with pronunciation guides, vocabulary, and dialogues. Practice with real human voices and audio lessons. Access multiple translation tools and dictionaries. Listen to Korean language programs and articles.
Practice English with AI conversation and feedback
Practice spoken English with AI tutors for real-time feedback on grammar and pronunciation. Access courses for listening, speaking, reading, and writing. Simulate exams like IELTS and TOEFL with AI grading.
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.
Helps users improve peripheral vision and speed reading. Users tap numbers in a to enhance visual search and attention. The tracks progress over time and encourages consistent practice to increase reading and recognition speed.
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.
Learn Russian with pronunciation guides, vocabulary lessons, and dialogue practice. Access translation tools, a bilingual dictionary, and audio content for listening and speaking.
Access art databases for antique families, early auctions, and overseas museum collections. Query seal, signature, and dynasty information. Convert square measurements and search historical data for research and authentication.
Shanghai Haidi Digital Publishing Technology Co., Ltd.
Look up words with detailed explanations
Reference "Search words, phrases, and idioms across 13 authoritative dictionaries. Access ancient Chinese, poetry, and grammar explanations. Listen to standard pronunciations and view animated stroke orders.
Access the entire with offline reading. Browse chapters from both Old and New Testaments. Search by book or testament. Includes the João Ferreira de Almeida translation. No internet required for viewing.
Create and explore virtual worlds with customizable environments and interactive elements. Add characters, build structures, and complete tasks in various themed locations. Access regular updates with new content and features.
Access and view sheet music for guitar and ukulele. Adjust scale and display for different screen sizes. Cache sheet music for offline use. Simplify chord notation for beginners. Change key to suit personal playing needs.
Read and manage documents in ePub, PDF, TXT, mobi, UMD, and office formats. Access a library of books, articles, and resources. Sync and backup documents to the cloud for cross-device access. Adjust text size, background color, and brightness.
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.