1 sentence

1. 这部纪录片的旁白由一位专业配音员朗读。

   zhè bù jì​lù​piàn de páng​bái yóu yī wèi zhuān​yè pèi​yīn​yuán lǎng​dú.

   The narration of this documentary is read by a professional voice actor.

   Source: Dong Chinese Dictionary