横向
1
Flat grassland in tropical regions
3
Dry land with little rainfall
8
Visual representation of an area
9
Large natural elevation of earth
10
Body of water surrounded by land
11
Cold treeless Arctic plain
12
Vast body of salt water
13
Physical features of land
纵向
2
Large area covered with trees
4
Flat elevated area of land
5
Total number of people in an area
6
Wearing away of land by water or wind
7
Region surrounding the North Pole