横向
1
Wearing away of land by water or wind
5
Imaginary line around the middle of Earth
7
Cold treeless Arctic plain
8
Land surrounded by water
9
Visual representation of an area
10
Region near the equator
12
Body of water surrounded by land
纵向
2
Mountain that can erupt with lava
3
Physical features of land
4
City that is seat of government
6
Total number of people in an area
11
Land surrounded by water on three sides
13
Distance north or south of equator