One Book is an app that allows anyone to easily read original English books.
Choose the English original book you want from the list and read it.
An appropriate amount of original English text appears, and you can easily look up an English dictionary by touching an unfamiliar word.
If you find it difficult to understand the context even after looking up a word, try using the translation function.
AI will show you a Korean translation that fits the context.
And if you use the newly added custom book creation function, you can easily register any text in the app and use the voice listening (TTS) and quick dictionary lookup functions.

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