横向
1
Long-term weather patterns of an area
3
Largest river in South America
4
Line dividing two countries
8
Mountain that can erupt with lava
9
Seasonal heavy rainfall
10
Region near the equator
11
Low-lying land surrounded by higher ground
纵向
2
Largest hot desert in the world
5
Land surrounded by water on three sides
6
Deep narrow valley with steep sides
7
Tool for finding directions