N-UNCOUNT 蛇梯棋(英国的一种儿童游戏，有棋板和色子，棋子遇梯则前进，遇蛇则后退) Snakes and ladders is a British children's game played with a board and dice. When you go up a ladder, you progress quickly. When you go down a snake, you go backwards. 蛇梯棋(英国的一种儿童游戏，有棋板和色子，棋子遇梯则前进，遇蛇则后退)