横向
1
Large slow-moving mass of ice
5
Steep rock face at edge of land
7
Flat elevated area of land
8
Seasonal heavy rainfall
10
Flat grassland in tropical regions
11
Dry land with little rainfall
12
Line dividing two countries
纵向
2
Large natural stream of water
3
Body of water surrounded by land
4
Region near the equator
6
Chain or group of islands
9
Land surrounded by water on three sides