cindexcontraoctave./kon-truh-ok-tiv, -teyv/US // ˌkɒn trəˈɒk tɪv, -teɪv //对比度,对立面,对立统一,对开式Definitionsn.noun · 名词1. Music.›the octave between the second and third C's below middle C.Level 4More words in c →