标准音 biāo zhǔn yīn

DEFINITIONS

  1. standard pronunciation
  2. standard tone (e.g. A = 440 Hz)

CHARACTERS

标 biāo
HSK 4
mark, symbol, label, sign; stand the bole of a tree
准 zhǔn
HSK 2
approve, allow, permit; in accord
音 yīn
HSK 3
sound, tone, pitch, pronunciation