frosts

例句:

• The Frosts were not on the phone.
  福罗斯特家没装电话。
  
• Frosts spoil the last of the flowers.
  霜冻冻坏了最后一批花朵.
  
• Frosts often occur in November.
  11月份经常出现霜冻.
  
• This should expose overwintering carrot flies to frosts and predators.
  来自BBC
• The wind...will be followed...by calm, cold weather with killing frosts.
  来自Daily Colonist
• Over the snow covered Pennines this means severe frosts are likely.
  来自BBC