横向
1
Flat grassland in tropical regions
3
Dry land with little rainfall
5
Visual representation of an area
6
Area where water covers the soil
9
Tool for finding directions
纵向
2
Wearing away of land by water or wind
4
Body of water surrounded by land
5
Seasonal heavy rainfall
7
Line dividing two countries
8
Distance north or south of equator
10
Ocean between Americas and Europe/Africa