Access synchronized learning materials for all subjects and grades. Watch video lessons and animations to explain concepts. Complete exercises and track progress. Listen to audiobooks and read bilingual stories.
Study for a driver's license exam with categorized questions, including multiple choice and true/false. Take simulated exams with 100 random questions. Review错题 and save favorite questions for later.
Access a comprehensive question database covering academic subjects, online courses, and certification exams. Search for specific questions with a paid subscription. Subscribe monthly or yearly for access. Manage subscriptions through Store settings.
Upload local question banks to create electronic study materials. Access concise, focused question sets with high-frequency考点. Receive AI-powered explanations from digital teachers.
Shanghai Haidi Digital Publishing Technology Co., Ltd.
Look up ancient Chinese words and phrases
Ancient Chinese dictionary provides detailed entries with pronunciation, word type, definitions, examples, translations, and comparisons. Includes over 32,000 entries, standard handwriting animations, and references from classical texts.
Access and review past exam questions with options to practice or memorize. Identify weak areas through repeated practice of mistakes. Get AI feedback on essays with detailed analysis. Use mnemonic songs for quick memorization.
Study driver regulations with categorized questions and toggle between multiple-choice and true/false formats. Take simulated exams with 100 randomized questions. Review错题汇总 for repeated practice. Save favorite questions to my collection.
Analyze English sentences for grammar structure, identify key vocabulary with definitions and examples, and break down complex sentences into simplified explanations.
Access real-time live classes led by experienced teachers. Participate in interactive Q&A, answer questions, and track progress through data analysis. Receive pre-class guidance, in-class support, and post-class clarification from tutors.