prerecorded track

例句：

1. 1.The engineer used a prerecorded track to record the sound of the engine.
   工程师使用预录轨道来记录引擎的声音。
2. 2.The band played their music on a prerecorded track for the audience.
   乐队在预录轨道上为观众演奏他们的音乐。
3. 3.The singer used a prerecorded track to create a unique sound effect.
   歌手使用预录轨道来创造一种独特的音效。