消音器, 排氣管
(North American) the part of the exhaust system of a motor vehicle, serving to deaden the sound of the engine
:
• The car's loud roar indicated a problem with its muffler.
汽車的巨大轟鳴聲表明其消音器有問題。
• He had to replace the rusted muffler on his old truck.
他不得不更換舊卡車上生鏽的消音器。