| 单词 | 八度音程 |
| 释义 | 〔octave〕The interval of eight diatonic degrees between two tones, one of which has twice as many vibrations per second as the other.八度音程：两个音程之间有八个音度的间隔，其中一个每秒的振动是另一个的两倍〔ninth〕A harmonic or melodic interval of an octave and a second.九度音程：包含一个八度音程和第二度音程的合音或音程 |
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