横向
1
Distance north or south of equator
4
Largest river in South America
7
Large body of water partly enclosed by land
9
Wearing away of land by water or wind
11
Raised area of land, smaller than a mountain
12
Steep rock face at edge of land
13
Ridge of rock or coral near the surface
纵向
2
Region near the equator
3
Land surrounded by water
5
Seasonal heavy rainfall
6
Large natural elevation of earth
7
Large slow-moving mass of ice
8
Largest hot desert in the world
10
Area where water covers the soil
14
Long-term weather patterns of an area