横向
1
Raised area of land, smaller than a mountain
4
Goods sold to another country
5
Flat grassland in tropical regions
6
Seasonal heavy rainfall
9
Largest hot desert in the world
12
Long-term weather patterns of an area
13
Deep narrow valley with steep sides
纵向
2
Total number of people in an area
3
Land surrounded by water
7
Physical features of land
8
Large natural elevation of earth
10
Imaginary line around the middle of Earth
11
Chain or group of islands
14
Largest ocean on Earth