横向
1
Area where water covers the soil
4
Goods sold to another country
5
Low-lying land surrounded by higher ground
7
Visual representation of an area
11
Region near the equator
纵向
2
Large natural elevation of earth
3
Flat grassland in tropical regions
6
Height above sea level
8
Ridge of rock or coral near the surface
9
Goods brought in from another country
10
Body of water surrounded by land