横向
1
Region surrounding the North Pole
2
Total number of people in an area
4
Low area between mountains
5
Body of water surrounded by land
6
Large area covered with trees
7
City that is seat of government
8
Where river meets the sea
11
Dry land with little rainfall
纵向
2
Land surrounded by water on three sides
3
Height above sea level
4
Mountain that can erupt with lava
9
Tool for finding directions
10
Low-lying land surrounded by higher ground
12
Wearing away of land by water or wind