单双玩法的最高境界简介：The third class was for exercises, but because they had already learned it in their freshman year of high school, the physical education teacher did not let them expose themselves to the sun and simply waved them off.
The third class was for exercises, but because they had already learned it in their freshman year of high school, the physical education teacher did not let them expose themselves to the sun and simply waved them off.
