横向
1
Region between the two tropic lines
6
Region surrounding the North Pole
7
Large natural elevation of earth
8
Flat grassland in tropical regions
11
Large natural stream of water
纵向
2
Total number of people in an area
3
Dry land with little rainfall
4
Low-lying land surrounded by higher ground
5
Line dividing two countries
9
Ocean between Americas and Europe/Africa
10
Visual representation of an area
12
Chain or group of islands
