The app offers a challenge with 1480 four-character idioms. It includes idioms using kanji learned by first graders and others that may rarely be used.
Access live and recorded lectures for offline viewing. Browse course materials, submit assignments, and track progress. Receive login credentials upon enrollment. Navigate resources with an optimized interface.
Identify and learn about 532 bird species with detailed descriptions, photos, and audio. View images of males, females, and seasonal variations. Filter by habitat, distribution, size, and season.
Watch 61 instructional videos explaining organic compound stereochemistry, including topics like isomer classification, RS notation, Fisher projections, and Newman projections. Solve 23 practice problems to test understanding.