横向
1
Large slow-moving mass of ice
5
Low area between mountains
6
Region near the equator
10
Cold treeless Arctic plain
纵向
2
Vast body of salt water
3
Region surrounding the North Pole
4
Imaginary line around the middle of Earth
7
Raised area of land, smaller than a mountain
8
Mountain that can erupt with lava
9
Where river meets the sea