n.抽彩给奖法( lottery的名词复数 );碰运气的事;彩票;彩券;
例句:
Lotteries suffered a decline in the 19 th century.
19世纪,彩票业经历了一次衰落.
You can gain a prize by taking lotteries to an appointed place.
你可以拿对奖券到指定的地点兑换奖品.
Powerball is only one of many lotteries in the world.
“抛宝”只是世界上众多彩票中的一种.