n plant having heads of fragrant white trumpet-shaped flowers; grows in sandy arid regions
n ball of ice cream covered with coconut and usually chocolate sauce
n ball of crushed ice with fruit syrup
n snow pressed into a ball for throwing (playfully)
v increase or accumulate at a rapidly accelerating rate
v throw snowballs at
n. 雪球( snowball的名词复数 )
v. （计划、问题等）滚雪球似地迅速增大( snowball的第三人称单数 ); 根本不可能（做某事）, 机会渺茫