ㄨㄟˇwěiˋ

  1. 飛機保持平衡提供飛機安定操縱重要部位水平尾翼垂直尾翼

empennage (of an aircraft)​, fletching (of an arrow)​, fins (of a missile, rocket etc)​, rear spoiler (of a car)​
Empennage
Saitenhalter (S)​