横向
1
Tool for finding directions
4
Raised area of land, smaller than a mountain
6
Steep rock face at edge of land
8
Cold treeless Arctic plain
10
Half of the Earth
纵向
2
Land surrounded by water
3
Largest ocean on Earth
5
Largest river in South America
7
Body of water surrounded by land
9
Area where water covers the soil
11
Region near the equator