turntable

名词 turntable:

1. a circular horizontal platform that rotates a phonograph record while it is being played
2. a revolving tray placed on a dining table
   同义词：lazy Susan
3. a rotatable platform with a track; used to turn locomotives and cars

1. The mechanism that revolves the turntable is broken.
   带动转盘旋转的机械装置坏了。