消声器

例句：

1. 1. The car has a muffler to reduce noise.
   这辆车有一个消音器来减少噪音。
2. 2. The engine is equipped with a silencer to prevent noise from the exhaust.
   发动机配备了一个消音器，以防止排气时的噪音。
3. 3. The engineer replaced the muffler with a new one to improve sound quality.
   工程师用一个新的消音器替换了旧的，以提高声音质量。