汽车尾翼英文如何翻译？

你好， jack2267
参考国外专业词汇
汽车尾翼 car empennage

spoiler

Spoiler:
An aerodynamic wing-shaped device attached to a vehicle (usually under the front bumper or on the decklid) to either reduce drag or induce downforce on the vehicle. So called because it spoils the normal flow of air over or under the vehicle.

empennage貌似是飞机尾翼...

empennage, rear fin, tail fin