sound insulator

• 隔音材料,隔音器

sound insulator的用法和样例：

例句

1. If one feels those around him have become too noisy, a sound block device can be activated and soundproofing will immediately go into effect.
   如今只要是公共场所，都设有声音调控器，如果嫌别人太吵，开启音障设备即可隔音。