横向
1
Half of the Earth
5
Region surrounding the North Pole
6
Flat grassland in tropical regions
7
Largest hot desert in the world
10
Goods brought in from another country
纵向
2
Imaginary line around the middle of Earth
3
Low-lying land surrounded by higher ground
4
Narrow sea inlet between cliffs
8
Steep rock face at edge of land
9
Total number of people in an area
11
Tool for finding directions