横向
1
Large natural stream of water
4
Long-term weather patterns of an area
6
Cold treeless Arctic plain
8
Visual representation of an area
9
Total number of people in an area
纵向
2
Imaginary line around the middle of Earth
3
Large area covered with trees
5
Low area between mountains
7
Goods brought in from another country
10
Landform where river meets the sea