横向
1
Visual representation of an area
3
Long-term weather patterns of an area
7
Ocean between Americas and Europe/Africa
8
Line dividing two countries
9
Largest river in South America
纵向
2
Body of water surrounded by land
4
Largest hot desert in the world
5
Vast body of salt water
6
Wearing away of land by water or wind
10
Deep narrow valley with steep sides
11
Steep rock face at edge of land
