yīn / yuè / kè / shàng / lǎo / shī / jiāo / wǒ / men / rèn / shí / qī / shēng / yīn / jiē / de / jī / běn / zǔ / chéng

音乐课上，老师教我们认识七声音阶的基本组成。

In music class, the teacher taught us to understand the basic composition of the heptatonic scale.