half-track recorder

例句：

1. 1.This half-track recorder is perfect for recording audio in the field.
   这个半履带记录器非常适合野外录音。
2. 2.The engineer used a half-track recorder to capture the sound of the wind.
   工程师使用了一个半履带记录器来捕捉风的声音。
3. 3. The half-track recorder was essential for preserving historical footage.
   半履带记录器对于保存历史影像至关重要。