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Official Description

The largest English-Czech and Czech-English dictionary with more than 950 000 translation pairs.
● Pronunciation is spoken by native speaker.
● The words that you put into Favorites can be exported from the dictionary.
● It works completely offline, so you do not need to be connected to the Internet when you use it.
● The dictionary allows the teaching of unknown words (the words that you put in Favorites) using an advanced learning algorithm.