snowball

名词 snowball:

1. plant having heads of fragrant white trumpet-shaped flowers; grows in sandy arid regions
   同义词：sweet sand verbena, Abronia elliptica
2. ball of ice cream covered with coconut and usually chocolate sauce
3. ball of crushed ice with fruit syrup
4. snow pressed into a ball for throwing (playfully)

动词 snowball:

1. increase or accumulate at a rapidly accelerating rate
2. throw snowballs at

1. He was hit by a volley of snowballs.
   他被一阵投来的雪球击中了。
2. Opposition to the war snowballed.
   反战情绪急速增长。