sweepstake

例句：

1. 1. She won a sweepstake for the trip to Paris.
   她赢得了一次去巴黎的旅行抽奖。
2. 2. The contestant had to enter the sweepstake by answering questions correctly.
   参赛者必须正确回答问题才能参加抽奖。
3. 3. He entered the sweepstake with his friend and hoped to win a prize.
   他和一个朋友一起参加了抽奖，希望能赢取奖品。