横向
1
Total number of people in an area
5
Region between the two tropic lines
8
Largest hot desert in the world
纵向
2
Deep narrow valley with steep sides
3
Low-lying land surrounded by higher ground
4
Long-term weather patterns of an area
6
Chain or group of islands
7
Seasonal heavy rainfall
9
Largest ocean on Earth
10
Large body of water partly enclosed by land
11
Visual representation of an area