消声器的英文怎么说

消声器的英文名称是 "silencer" 或 "muffler". 这个词来自英文 "muffle"，意思是 "使某物变得安静"。

例句：

The gun had a silencer attached to the barrel to reduce the noise when it was fired. (枪上有一个消声器，能在开枪时减少噪音。)
I put a muffler on my car's exhaust pipe to reduce the noise when I drive. (我在汽车的排气管上装了一个消声器，能减少行驶时的噪音。)