打砖块 ，可以选择球的样式， 打到加号会增加一个球，方块的数字表示需要被击打几下，数字为零就消失。(When you hit a brick, you can choose the style of the ball. You can add a ball to the added number. The number of the square indicates that it needs to be hit a few times, and the number is zero.)