横向
1
Region near the equator
3
Physical features of land
4
Dry land with little rainfall
6
Ocean between Americas and Europe/Africa
7
Seasonal heavy rainfall
10
Flat grassland in tropical regions
纵向
1
Region between the two tropic lines
2
Low-lying land surrounded by higher ground
5
Large slow-moving mass of ice
8
Goods sold to another country
9
Large area covered with trees
11
Total number of people in an area