Wake up your sense of English by changing English sentences and master your English reading skills through level-by-level learning according to the difficulty you set! Difficulty level of English fingerprints that can be set/changed freely - Depending on the sentence entered by the user, you can increase or decrease the difficulty according to the situation, so apply it to various situations! - You can freely explore and develop your own learning initiative regardless of the type of activity! How to use: Set the difficulty level. Please enter an English sentence that needs to be changed in difficulty.
