volume adjustment

• 音量调节

volume adjustment的用法和样例：

例句

1. The volume adjustment knob on my TV is broken.
   我电视机上的音量调节开关坏了。
2. This narrowing of the gap between detectability and discomfort is the reason most hearing aid users end large amounts of time adjusting the volume.
   为了缩小可检声讯与刺耳声讯之间的差距，大多数助听器用户把大量时间耗在了音量调节上。