600 essential words for toeic

Good app to learn english vocabulary with smart methods
- Vivid and natural illustration.
- Pronunciation practise.
- Scientific classification.
- Various Examples with Vietnamese translation.
- Learning logging.
- Derivational related forms of each word.
- Providing various learning methods.
- Diversified test (reading, listening, speaking and writing and grammar).
- Smart and condensed dictionary.
- Automatic learning with repetition mode.