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
음악에서 크레센도는 점점 강해지는 소리를 의미합니다.eumakeseo keuresendo-neun jeomjeom ganghaejineun sorireul uimihaemnida.In music, crescendo means a sound that gradually becomes louder.