zuò / qǔ / kè / shàng / lǎo / shī / yāo / qiú / wǒ / men / fēn / xī / yuè / qǔ / zhōng / de / bǔ / zú / yīn / chéng

作曲课上，老师要求我们分析乐曲中的补足音程。

In composition class, the teacher asked us to analyze the complementary intervals in the piece.