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.
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.
Analyze English sentences for grammar structure, identify key vocabulary with definitions and examples, and break down complex sentences into simplified explanations.
Learn physics with interactive 3D models, real experiment videos, and animated explanations. Access思维导图 for review, watch knowledge videos, and complete同步练习 for practice.
