横向
1
Tool for finding directions
3
Goods sold to another country
4
Physical features of land
6
Steep rock face at edge of land
7
Low area between mountains
8
Height above sea level
10
Largest river in South America
纵向
1
Long-term weather patterns of an area
2
Flat grassland in tropical regions
5
Large natural stream of water
9
Goods brought in from another country
10
Chain or group of islands
11
Large natural elevation of earth
12
Flat elevated area of land