横向
1
Distance north or south of equator
5
Total number of people in an area
6
Deep narrow valley with steep sides
7
Flat grassland in tropical regions
8
City that is seat of government
纵向
2
Region near the equator
2
Region between the two tropic lines
3
Region surrounding the North Pole
4
Flat elevated area of land
9
Chain or group of islands
10
Low area between mountains
11
Largest river in South America
12
Large area covered with trees