D-flat majorWiktionary 原文/ˈdiː flæt ˈmeɪ.dʒə(r)/释义名词noun1(music) A major key with the notes D♭, E♭, F, G♭, A♭, B♭, C, the key signature of which has five flats.2(music) The major chord with the notes D♭, F, and A♭.形容词adjective1(music) Describing a piece, song, or scale that has a D-flat major key.