gǔ / dài / yuè / lǐ / bǎ / yīn / jiē / fēn / wéi / qī / shēng / měi / yì / shēng / dōu / yǒu / bù / tóng / de / yīn / gāo

古代乐理把音阶分为七声，每一声都有不同的音高。

Ancient music theory divided the scale into seven tones, each with a different pitch.