영어 70문장만 내 것으로 만들면 된다

This app is good
1. Infinite repetition is possible. Possible without separate internet.
2. You can repeat special sentences indefinitely.
3. You can set the number of repetitions.
4. You can shadow by adjusting the sentence price.
5. You can still listen while using other apps.
6. You can continue the last sentence you heard.
7. Except for sentence descriptions, only English sentences can be heard.