变音符号

變音符號
biànyīnfúhào
  1. (orthography) diacritical mark (a special mark added to a letter to indicate different a pronunciation, stress, tone or meaning)
  2. diacritical mark (a special mark added to a letter to indicate different a pronunciation, stress, tone or meaning)

Wiktionary

Entry Composition

1 变音 biànyīn
  1. (linguistics) changed tone
  2. change of sound/voice
  3. changed tone
  4. to change sound or voice
2 符号 fúhào symbol; mark; sign