横向
1
Flat elevated area of land
4
Deep narrow valley with steep sides
7
Steep rock face at edge of land
8
Half of the Earth
9
Land surrounded by water on three sides
纵向
2
Ocean between Americas and Europe/Africa
3
Mountain that can erupt with lava
5
Total number of people in an area
6
Visual representation of an area
10
Landform where river meets the sea
11
Low-lying land surrounded by higher ground