横向
1
Total number of people in an area
5
Low area between mountains
6
Largest river in South America
9
Distance north or south of equator
纵向
2
Ocean between Americas and Europe/Africa
3
Long-term weather patterns of an area
4
Tool for finding directions
7
Narrow sea inlet between cliffs
8
Physical features of land
10
Area where water covers the soil
11
Visual representation of an area