低八度 dībādù an octave lower Origin Definitions Defs Strokes Stroke Words Sentences Sents dībādù an octave lower 低 dī adjective low close to the ground or bottom; of short height八度 bādù octave the musical interval between one pitch and another with double its frequencydībādù low-key 低 dī adjective quiet low in volume or soft-spoken八度 bādù octave the musical interval between one pitch and another with double its frequency