横向
1
Ridge of rock or coral near the surface
4
Half of the Earth
7
Land surrounded by water
8
Area where water covers the soil
9
Low-lying land surrounded by higher ground
10
Narrow sea inlet between cliffs
12
Region near the equator
纵向
2
Physical features of land
3
Body of water surrounded by land
5
Region between the two tropic lines
6
Largest hot desert in the world
11
Total number of people in an area