横向
1
Goods brought in from another country
4
Imaginary line around the middle of Earth
5
Large area covered with trees
6
Narrow sea inlet between cliffs
9
Tool for finding directions
10
Flat grassland in tropical regions
纵向
2
Long-term weather patterns of an area
3
Dry land with little rainfall
7
Visual representation of an area
8
Height above sea level
11
Large slow-moving mass of ice
12
Total number of people in an area
13
Area where water covers the soil