横向
1
Mountain that can erupt with lava
4
Cold treeless Arctic plain
5
Body of water surrounded by land
6
Visual representation of an area
7
Land surrounded by water on three sides
纵向
2
Long-term weather patterns of an area
3
Total number of people in an area
4
Region near the equator
8
Large area covered with trees
9
Low-lying land surrounded by higher ground