tubas

例句:

• Common jazz instruments are trombones, tubas, saxophones and, of course, trumpets.
  常见的爵士乐器有长号 、 大号 、 萨克斯管, 当然还有小号.
  
• Not every Tuba Christmas concert looks like a wall of tubas.
  来自VOA
• I want a trumpet, two tubas and a bugle.
  我要一把小号, 两把大号和一把号角.
  
• The Wagner tubas are most closely identified with the regal music for Valhalla, dwelling place of the gods.
  来自WSJ
• "The Ring" requires two Wagner tubas in the tenor range and two in the bass.
  来自WSJ