横向
1
Height above sea level
4
Deep narrow valley with steep sides
8
Imaginary line around the middle of Earth
9
City that is seat of government
10
Land surrounded by water
纵向
2
Low-lying land surrounded by higher ground
3
Half of the Earth
5
Large natural elevation of earth
6
Land surrounded by water on three sides
7
Region near the equator
11
Vast body of salt water
12
Total number of people in an area
