Explore the biology of with interactive 3D animations. View detailed models of the ear and its mechanisms. Learn how vibrations are converted into electric signals processed by the brain. Available in multiple languages.
Discover nearby places, events, and points of interest with real-time location data. Access offline maps and information. Save articles to a reading list. View Wikipedia content. Navigate without internet connectivity.
Study for the US Test with official questions and answers. Practice listening with adjustable speed. Mark and review difficult questions. Access translations in multiple languages.
Shanghai Haidi Digital Publishing Technology Co., Ltd.
Look up words with camera or voice
Look up words using camera, voice, or notification bar. View definitions, pronunciations, and word examples. Explore character structure, stroke order, and English translations. Collect new words and review them for memorization.
