avalanches

例句:

• The greatest dangers of pyroclastic avalanches are probably heat and suffocation.
  火成碎屑崩落的最大危害可能是炽热和窒息作用.
  
• Avalanches poured down on the tracks and rails were spread.
  雪崩压满了轨道,铁轨被弄得四分五裂.
  
• To prevent avalanches, Park Rangers and Ski Slope managers do what?
  为了防止雪崩, 公园看守者们和滑雪场经理们做什么?
  
• There were two avalanches, and someone died.
  来自WSJ
• Wind and avalanches are also big depositors.
  来自SA
• Seismic activity may also trigger failure in the snowpack and avalanches.
  来自BBC