Dà sānyīn hé xiǎo sānyīn de qūbié shì bànyīn de chāyì.
The difference between a major third and a minor third is a half-step.
Tips
usage
Music-theory term. 大三音 = major third, 小三音 = minor third - paralleling the English major/minor distinction. Note that 三音 also occasionally means 'three-syllable' in linguistics; context decides.
