横向
1
Deep narrow valley with steep sides
5
Visual representation of an area
6
Ridge of rock or coral near the surface
7
Distance north or south of equator
9
Largest river in South America
10
Area where water covers the soil
11
Vast body of salt water
纵向
2
Line dividing two countries
3
Height above sea level
4
Ocean between Americas and Europe/Africa
5
Large natural elevation of earth
8
Mountain that can erupt with lava