横向
1
Region near the equator
5
Region surrounding the North Pole
6
Height above sea level
7
Flat elevated area of land
8
Flat grassland in tropical regions
10
Large slow-moving mass of ice
12
Steep rock face at edge of land
纵向
2
Vast body of salt water
3
Where river meets the sea
4
Tool for finding directions
9
Largest ocean on Earth
11
Goods brought in from another country