横向
1
Wearing away of land by water or wind
4
Region near the equator
5
Cold treeless Arctic plain
6
Distance north or south of equator
11
Visual representation of an area
12
Total number of people in an area
13
Large body of water partly enclosed by land
14
Low area between mountains
纵向
2
Largest hot desert in the world
3
Goods brought in from another country
7
Chain or group of islands
8
Seasonal heavy rainfall
9
Area where water covers the soil
10
Half of the Earth