横向
1
Area where water covers the soil
4
Deep narrow valley with steep sides
5
Vast body of salt water
6
Ocean between Americas and Europe/Africa
8
Large natural elevation of earth
10
City that is seat of government
纵向
2
Total number of people in an area
3
Largest hot desert in the world
7
Dry land with little rainfall
9
Imaginary line around the middle of Earth
11
Goods sold to another country