n.包有皮革的软金属棒；21点（一种纸牌玩法）
In blackjack, the thing is to get nearest to 21 without going over. 在玩21点时,目标是争取达到而不超过21点。
These are roulette, blackjack, craps, baccarat, keno, slot machine and so on. 这些是轮盘赌、二十一点、掷双骰、赌纸牌、对号牌戏、吃角子老虎等等。
