blackjack/ˈblæk.dʒæk/名词二十一点纸牌赌戏On their trip to Las Vegas, Tony and his friends spent hours at the casino playing blackjack, hoping to win big.在他们去拉斯维加斯的旅行中,Tony和他的朋友们在赌场花了数小时玩21点,希望赢得大笔钱。(包革)金属棍棒;金属警棍想跟读,去练习