横向
1
Region surrounding the North Pole
3
Line dividing two countries
5
Visual representation of an area
6
Raised area of land, smaller than a mountain
8
Largest ocean on Earth
10
Largest river in South America
纵向
2
Dry land with little rainfall
4
City that is seat of government
7
Goods brought in from another country
9
Low-lying land surrounded by higher ground