横向
1
Region near the equator
1
Region between the two tropic lines
3
Largest river in South America
4
Where river meets the sea
10
Largest hot desert in the world
11
Large slow-moving mass of ice
12
Distance north or south of equator
13
Dry land with little rainfall
纵向
2
Large natural stream of water
3
Region surrounding the North Pole
5
Ridge of rock or coral near the surface
6
Goods brought in from another country
7
Area where water covers the soil
8
Seasonal heavy rainfall
9
Cold treeless Arctic plain