横向
1
Land surrounded by water on three sides
5
Goods sold to another country
7
Deep narrow valley with steep sides
8
Line dividing two countries
纵向
2
Steep rock face at edge of land
3
Half of the Earth
4
Height above sea level
6
Total number of people in an area
9
Mountain that can erupt with lava
10
Large slow-moving mass of ice
11
Visual representation of an area