twin-track recorder

例句：

1. 1. The twin-track recorder is used to capture the sound of a musical instrument.
   双轨录音机用于捕捉乐器的声音。
2. 2. The engineer used a twin-track recorder to record the performance.
   工程师使用双轨录音机来录制表演。
3. 3.The twin-track recorder was used to create a unique audio experience for the audience.
   双轨录音机被用来为观众创造独特的音频体验。