横向
1
Area where water covers the soil
5
Half of the Earth
6
Flat grassland in tropical regions
8
Cold treeless Arctic plain
9
Ocean between Americas and Europe/Africa
10
Region surrounding the North Pole
纵向
2
Large slow-moving mass of ice
3
Dry land with little rainfall
4
Height above sea level
7
Tool for finding directions
11
Region between the two tropic lines