1. **Look up vocabulary:**
- Users can easily look up vocabulary with full meaning, pronunciation, illustrative examples and related phrases.
- The feature to save favorite vocabulary helps users easily review and remember.

2. **Learn grammar:**
- Provides a detailed system of grammar lessons from basic to advanced, with specific examples and accompanying exercises.
- Grammar check feature helps users self-assess and improve their knowledge.

3. **Learn through videos:**
- Rich video store, including lectures, daily communication situations, and real conversations.
- Users can customize video speed, turn on subtitles and practice listening effectively.

4. **Fill in the words:**
- Exercises to fill in words in sentences help users consolidate learned vocabulary and grammar.
- Themed practice mode helps users focus on areas that need improvement.

5. **Create a speaking room:**
- Users can create and join speaking rooms to practice communication skills with other learners.
- Voice and text chat features help users practice natural language reflexes.

6. **Live stream:**
- Participate in live streams of teachers and native speakers, learn new experiences and knowledge.
- Interact directly with the teacher and other students through the chat feature.