横向
1
Wearing away of land by water or wind
2
Largest river in South America
5
Landform where river meets the sea
6
Region surrounding the North Pole
7
Goods brought in from another country
8
Distance north or south of equator
9
Region near the equator
10
Distance east or west of prime meridian
11
Area where water covers the soil
纵向
2
Chain or group of islands
3
Dry land with little rainfall
4
Total number of people in an area