n. 八音度, 低八度音, 高八度音
【电】 八音度
在线英汉词典

octave的短语、例句：

octave n 1 (music 音) (a) note that is six whole tones above or below a given note 第八音. (b) space between two such notes 八度
These notes are an octave apart. 这些音相距八度. (c) note and its octave played together 八度和音
The child´s hands are too small to stretch to an octave on the piano. 这孩子的手太小, 按不到钢琴上八度和音的键. (d) note and its octave with the six notes in between 八度音程（包括两个八度音之间的六个音）. Cf 参看 scale2 6. 2 (also octet) (in poetry) first eight lines of a sonnet; verse of eight lines （诗）十四行诗的前八行, 八行诗.