横向
1
Flat grassland in tropical regions
5
Physical features of land
6
Total number of people in an area
7
Large body of water partly enclosed by land
8
Chain or group of islands
纵向
2
Dry land with little rainfall
3
Distance north or south of equator
4
Wearing away of land by water or wind
9
Steep rock face at edge of land
10
Largest ocean on Earth
11
Visual representation of an area