横向
1
Region near the equator
5
Region between the two tropic lines
6
Goods brought in from another country
7
Tool for finding directions
8
Largest river in South America
9
Landform where river meets the sea
纵向
2
Goods sold to another country
3
Large area covered with trees
4
Mountain that can erupt with lava
10
Largest ocean on Earth
11
Largest hot desert in the world
12
Cold treeless Arctic plain