横向
1
Mountain that can erupt with lava
4
Half of the Earth
7
Region surrounding the North Pole
10
Flat grassland in tropical regions
纵向
2
Wearing away of land by water or wind
3
Steep rock face at edge of land
5
Area where water covers the soil
6
Piece of land jutting into the sea
8
Region near the equator
8
Region between the two tropic lines
9
Land surrounded by water on three sides