横向
1
Region near the equator
5
Region surrounding the North Pole
6
Seasonal heavy rainfall
8
Distance north or south of equator
11
Area where water covers the soil
12
Physical features of land
纵向
2
Largest river in South America
3
Large natural elevation of earth
4
Ocean between Americas and Europe/Africa
7
One of seven major landmasses
9
Largest hot desert in the world
10
Wearing away of land by water or wind