sweepstake
/ˈswiːpsteɪk/noun
(亦作sweepstakes)
1- a form of gambling, especially on horse races, in which all the stakes are divided among the winners赌金全赢制（尤指赌马）：
as modifier a sweepstake ticket.赌金全赢彩票。
1.1
- a race on which money is bet in this way赌金全赢制赛马。
1.2
- a prize or prizes won in a sweepstake赌金全赢制赌博的彩金（或奖金）。