横向
1
Flat grassland in tropical regions
2
Total number of people in an area
5
Large natural elevation of earth
6
Physical features of land
9
Half of the Earth
10
Region between the two tropic lines
纵向
2
Land surrounded by water on three sides
3
Large slow-moving mass of ice
4
Largest ocean on Earth
7
One of seven major landmasses
8
Dry land with little rainfall