Learn English with audio and text lessons, including 8000 sentences categorized by use and occasion. Listen to native male and female pronunciations, repeat, and practice reading. Access vocabulary, dialogues, and grammar.
Watch videos, movies, and animations with adjustable playback speed and subtitle options. Switch between Chinese and English subtitles, hide subtitles, and pause anytime.
Explore 249 countries and 50 U.S. states with realistic flags and national anthems. Tap to play anthems, double-tap to link to Wikipedia. Use gesture controls to navigate the 3D . View time zones and country information in multiple languages.
Explore the with interactive 3D models of major organ systems. Navigate through detailed anatomical structures. Learn about system functions and relationships. Available in multiple languages.