横向
1
Mountain that can erupt with lava
4
Flat elevated area of land
5
Largest ocean on Earth
7
Region near the equator
10
Largest river in South America
11
Physical features of land
12
Low-lying land surrounded by higher ground
纵向
2
Seasonal heavy rainfall
3
Ocean between Americas and Europe/Africa
6
Deep narrow valley with steep sides
7
Cold treeless Arctic plain
8
Visual representation of an area
9
City that is seat of government