barrage balloon

英 美
  • 阻塞气球
  • balloon n.气球;球状物vt.使膨胀vi.乘气球飞行;激增;如气球般膨胀adj.气球状的
  • barrage n.弹幕;掩护炮火n.拦河坝vt.以密集火力进攻
Noun:
  1. an elongated tethered balloon or blimp with cables or net suspended from it to deter enemy planes that are flying low