横向
1
Region near the equator
4
Vast body of salt water
5
Distance east or west of prime meridian
8
Visual representation of an area
11
Total number of people in an area
纵向
2
Largest river in South America
3
Land surrounded by water
6
Height above sea level
7
Goods brought in from another country
9
Wearing away of land by water or wind
10
Large body of water partly enclosed by land
12
Seasonal heavy rainfall
