横向
1
Height above sea level
2
Wearing away of land by water or wind
4
Steep rock face at edge of land
5
Body of water surrounded by land
6
Mountain that can erupt with lava
10
Piece of land jutting into the sea
12
Cold treeless Arctic plain
纵向
2
Imaginary line around the middle of Earth
3
Region near the equator
5
Distance north or south of equator
7
Visual representation of an area
8
Large natural elevation of earth
9
Low-lying land surrounded by higher ground
11
Tool for finding directions
13
Largest river in South America