大小单双的几种形态

简介：The Jianlu Mongols were condescending. Although there was some slope, it was not obvious. All the big snowballs needed to be pushed by manpower. When the big snowballs entered the 70th step and the Mongolian soldiers hiding behind were looming, Chen Yongfu tentatively gave the order to open fire. , he wanted to know, whether the blunderbuss could penetrate and scatter these big snowballs?