raffle       
 noun [ C ] uk/ˈræf.əl/ us/ˈræf.əl/
 (为社会公益事业进行的)抽彩(活动)
an activity in which people buy tickets with different numbers, some of which are later chosen to win prizes, that is organized in order to make money for a good social purpose
  a raffle ticket/prize 抽彩奖券/奖品 
 I have never won anything in a raffle. 我从来没在抽彩中赢得过任何奖品。 
 raffle       
verb [ T ] uk/ˈræf.əl/ us/ˈræf.əl/
 (兑奖售物活动中)以…为奖品
to offer something as a prize in a raffle
  We are going to raffle off a car for the hospital appeal. 为医院举行的慈善抽奖活动中,我们将用一辆汽车作为奖品。 
 See also: draw verb (CHOOSE)