横向
1
Visual representation of an area
3
Imaginary line around the middle of Earth
4
Line dividing two countries
7
Largest ocean on Earth
8
Region near the equator
9
Ridge of rock or coral near the surface
10
Low-lying land surrounded by higher ground
纵向
2
Total number of people in an area
5
Half of the Earth
6
Region between the two tropic lines