catapults

例句:

• Alexander's engineers built floating rafts for the heavy catapults.
  亚历山大的工兵修建了浮动的筏子来运载沉重的弩炮.
  
• Train all the catapults at this point, to the right of the gate.
  全部石弩,运到这里, 对准门的右边.
  
• Leaping is usually done with a springboard that catapults the performer high into the air.
  跳跃运动通常利用能使表演者高高地弹入空中的跳板.
  
• Recorded in concert, it catapults the listener into the concert hall with its energetic force and surging rhythms.
  来自BBC
• Only it starts at the end, bends back in the middle like a slingshot, and then catapults them forward to where they came in.
  来自BBC
• The kids, instead of playing Nintendo DS's, they'd shoot hummingbirds with catapults, explains Mrs Waldron.
  来自BBC