横向
1
Line dividing two countries
4
Total number of people in an area
5
Chain or group of islands
7
Low-lying land surrounded by higher ground
纵向
2
Largest hot desert in the world
3
Region between the two tropic lines
6
Mountain that can erupt with lava
8
Large area covered with trees
9
Flat elevated area of land
10
Seasonal heavy rainfall
11
Distance north or south of equator
12
Raised area of land, smaller than a mountain