muffler/ˈmʌf.lɚ/名词消音器My car's muffler was making a loud rattling noise, so I had to take it to the mechanic for repairs.我的车的消音器发出很大的嘎嘎声,所以我不得不把它送到修理厂进行维修。厚围巾想跟读,去练习