parabolic horn

例句：

1. 1.The parabolic horn is used to guide the missile towards its target.
   抛物形喇叭用于引导导弹向目标。
2. 2.The parabolic horn was designed to reduce noise pollution in urban areas.
   抛物形喇叭被设计来减少城市地区的噪音污染。
3. 3.The parabolic horn is a popular tool for musicians and singers.
   抛物形喇叭是音乐家和歌手们常用的工具。