隔音装置

例句：

1. 1. The engineer designed a noise reduction device to improve the factory's efficiency.
   工程师设计了一个降噪装置，以提高工厂的效率。
2. 2. The new car has an advanced soundproofing system that blocks out external noise.
   这款新车配备了先进的隔音系统，可以隔绝外界噪音。
3. 3. The construction workers used soundproofing materials to create a quiet work environment.
   建筑工人使用了隔音材料来创建一个安静的工作环境。