muffler
/ˈmʌflə(r)/noun
1
- a wrap or scarf worn around the neck and face for warmth围巾, 围脖; 披巾, 披肩。
2
- a device used to deaden the sound of a drum, bell, piano, or other instrument（鼓、铃等的）减声器。
2.1
- N. Amer. a silencer for a motor vehicle exhaust〈北美〉（汽车）排气管消声器。