Orbison's vocal range spanned three octaves.

奥毕森的音域跨越三个八度。

He talked about octaves.

他谈论八度音。

The range consists of three octaves.

二胡的音域有三个八度。

This sound spectrum spans about ten octaves.

这个声谱约有十个八度的跨度。

I got three octaves back after quitting.

我得到三个八度戒烟后回。