横向
1
Largest ocean on Earth
3
Area where water covers the soil
9
Large natural elevation of earth
10
Largest river in South America
11
Mountain that can erupt with lava
12
Largest hot desert in the world
纵向
1
Land surrounded by water on three sides
2
Landform where river meets the sea
4
One of seven major landmasses
5
Vast body of salt water
6
Steep rock face at edge of land
7
Goods sold to another country
8
Tool for finding directions