横向
1
Long-term weather patterns of an area
2
Cold treeless Arctic plain
6
Total number of people in an area
7
Flat grassland in tropical regions
8
Distance north or south of equator
纵向
2
Region between the two tropic lines
3
Height above sea level
4
Largest river in South America
5
Low-lying land surrounded by higher ground
9
Visual representation of an area
10
Goods sold to another country
11
Wearing away of land by water or wind
12
Tool for finding directions