exhaust trumpet

例句：

1. 1. The car's exhaust trumpet is loud enough to disturb the neighbors.
   这辆车的排气号角声音足够大，吵到了邻居。
2. 2.The engine has a built-in exhaust trumpet that helps it run efficiently.
   发动机内置了排气号角，有助于它高效运行。
3. 3. The exhaust trumpet was designed to improve airflow and reduce noise.
   排气号角的设计是为了改善空气流通并减少噪音。