阶梯倍投最科学的方法

简介：The young general Tong Dingfang was a little nervous. He had experienced a lot of bullets and bullets on the battlefield, but this was the first time he was so close to the Ming Emperor. He took a deep breath, took a few steps forward to the front of the reviewing stand, and raised his hand with a solemn expression. The blue pennant in his hand waved into the air