哪里二个阴暗的区域交叉的彼此我们有砖瓦的形状。

Where two shaded areas cross each other we have the shape of a tile.

youdao

哪里二个阴暗的区域交叉的彼此我们有砖瓦的形状。

Where two shaded areas cross each other we have the shape of a tile.

youdao