极速飞艇首尾相加法简介：Yu Yude calmly walked to Su Can's desk, picked up the test papers he had written, threw them in the air, and then said, with his level, you can also go to the toilet.
Yu Yude calmly walked to Su Can's desk, picked up the test papers he had written, threw them in the air, and then said, with his level, you can also go to the toilet.
