noise suppressor

例句：

1. 1. The noise suppressor is designed to reduce the volume of background noise in a recording studio.
   这个噪声抑制器设计用来减少录音棚里的背景噪音。
2. 2.The engineer used the noise suppressor to eliminate the interference from the nearby traffic.
   工程师使用噪声抑制器来消除附近交通的干扰。
3. 3. The noise suppressor was installed at the entrance of the factory to prevent outside noise from entering.
   在工厂入口处安装了噪声抑制器，以防止外部噪音进入。