钢琴跨度怎么算简介:In the dark night, a few dark figures suddenly appeared in the vast grassland outside the city. They quickly approached the Great Wall. They turned out to be several exploration horses. When they were still two or three miles away from the Great Wall, they dismounted and walked towards the Great Wall.
In the dark night, a few dark figures suddenly appeared in the vast grassland outside the city. They quickly approached the Great Wall. They turned out to be several exploration horses. When they were still two or three miles away from the Great Wall, they dismounted and walked towards the Great Wall.