在圆圈不链接与鼠标可以按下时按下鼠标以加分 Press the mouse to add score when the circle is not linked and the mouse can be pressed 注：请单击1至3次绿旗 Note: Please click 1 to 3 times green flag
加分计算：小圆圈y坐标-大圆圈y坐标 Extra score calculation: Small circle y coordinate - Big circle y coordinate 分数计算：加分/计时器 Score calculation: Extra score / Timer
