bronco [ˈbrɑ:ŋkoʊ]

例句:

• a bucking bronco in the rodeo
  牛仔竞技表演中一匹弓背跳跃的野马
  
• The bronco spilt his rider.
  野马把它的骑手从背上摔了下来.
  
• This bronco bucked its rider in just ten seconds.
  这匹野马仅10秒钟就弓背跃起把骑者摔了下来.
  
• The ever-spinning bronco of club culture is a tricky beast to stay a-straddle.
  来自BBC
• He says that MSL managers have been riding a "bucking bronco" since it was first proposed.
  来自BBC
• Mr. Kleinstein noticed that as the Bronco players were jumping up and down on the sidelines, Mr. Tebow took a knee in prayer.
  来自WSJ