下主音

xiàzhǔyīn
  1. (music) subtonic
  2. subtonic

Wiktionary

Entry Composition

1 下 xià
  1. down
  2. downwards
  3. below
  4. lower
  5. later
  6. next (week etc)
  7. second (of two parts)
  8. to decline
  9. to go down
  10. to arrive at (a decision, conclusion etc)
  11. measure word to show the frequency of an action
2 主音 zhǔyīn
  1. keynote
  2. principal tone
  3. tonic
  4. vowel