横向
1
City that is seat of government
4
Goods sold to another country
5
Low-lying land surrounded by higher ground
7
Line dividing two countries
8
Land surrounded by water on three sides
10
Wearing away of land by water or wind
纵向
2
Region surrounding the North Pole
3
Visual representation of an area
4
Imaginary line around the middle of Earth
6
Distance east or west of prime meridian
9
Mountain that can erupt with lava
11
Total number of people in an area
12
Flat grassland in tropical regions
