横向
1
Largest river in South America
5
Goods sold to another country
6
Region surrounding the North Pole
7
Seasonal heavy rainfall
11
Region between the two tropic lines
纵向
2
Visual representation of an area
3
Cold treeless Arctic plain
4
Large area covered with trees
8
Largest hot desert in the world
9
Mountain that can erupt with lava
10
Body of water surrounded by land