Oak Vocabulary Extension
Extensible Dictionary for multi-language:
1. point and popup tooltip window.
2. It supports different languages such as English, Chinese, German, Hebrew.....
3. add user's own online dictionarir in a easy way.
4. setup a personal vocabulary locally, which can be used offline
5. review the check words, can recall the page relative to the word.
If you are learning a foreign language, this may be helpful. Only the used vocabulary are useful. read and learn language via surfing in internet. that is it.