Her voice went down an octave.

她的嗓音下降了八度.

《简明英汉词典》

The octave in music refers to the interval between one note and another with double its frequency, hence the term originates from the eight-note scale commonly used in European music.

音乐中的“八度”指的是一个音符与其频率加倍的另一音符之间的音程，因此该术语源于欧洲音乐常用的八音音阶。

金山词霸

When a note is played on the harp, the strings in every octave resonate likewise.

当在竖琴上弹奏一个音符时，每个八度音阶中的琴弦都会同样产生共鸣。

金山词霸

Yesterday s high was ninety eight degrees.

昨天的最高温度是九十八度.

辞典例句

These notes are an octave apart.

这些音相距八度.

辞典例句

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.

辞典例句

If a vibrating string is lightly touched at its midpoint , its pitch goes up an octave.

如果在一根振动弦的中部轻轻一触, 它就发出高八度的音.

辞典例句

The bass octave can only be sung by a male voice.

低音部八度和音只能由男声来唱.

互联网

It has a wide range of more than four octaves.

它的音域多于四个八度音阶.

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A small flute pitched an octave above a regular flute.

一种音调比普通笛子高八度音的小笛子.

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The temperature is expected to drop to eight degrees below zero today.

今天的温度可能会降到零下八度.

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It has a deep range beginning about three octaves below middle C.

它有始于中音以下三个八度音阶的深度范围.

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The thermometer recorded a temperature of 28 degrees.

寒暑表指明温度为二十八度.

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Its range is two and a half octaves.

音域两个半八度.

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Its range is generally five octaves and three - eighths.

一般按四五度定弦,音域三个八度.

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