属音

zhǔ yīn zhōng yīn hé shǔ yīn yī tóng gòu chéng zhǔ yīn sān hé xián

主音，中音和属音一同构成主音三和弦。

Tonic, mediant and dominant together form the tonic triad.

shǔ yīn shì yīn jiē de dì wǔ jí

属音是音阶的第五级。

The dominant is the fifth degree of the scale.