1 sentence

1. 这位歌手的音域非常广，能跨越三个八度。

   zhè wèi gē​shǒu de yīn​yù fēi​cháng guǎng, néng kuà​yuè sān gè bā dù.

   This singer has a very wide range, spanning three octaves.

   Source: Dong Chinese Dictionary