groove cam

例句：

1. 1. The groove on the vinyl records is where you can play music.
   乙烯基唱片上的凹槽是你可以播放音乐的地方。
2. 2. The groove in the vinyl records is where the sound comes from.
   乙烯基唱片上的凹槽是声音的来源。
3. 3. The groove in the vinyl records is where the needle goes to pick up the music.
   乙烯基唱片上的凹槽是针头用来拾取音乐的地方。