横向
1
Flat elevated area of land
5
One of seven major landmasses
8
Line dividing two countries
纵向
2
Height above sea level
3
Largest hot desert in the world
4
Region between the two tropic lines
6
Half of the Earth
7
Total number of people in an area
Flat elevated area of land
One of seven major landmasses
Line dividing two countries
Height above sea level
Largest hot desert in the world
Region between the two tropic lines
Half of the Earth
Total number of people in an area