Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
원자무기의 위협은 전 세계에 큰 영향을 미칩니다.wonjamug-ui wihyeob-eun jeon segye-e keun yeonghyang-eul michimnida.The threat of nuclear weapons has a significant impact on the entire world.