横向
1
Largest hot desert in the world
3
Distance east or west of prime meridian
5
Area where water covers the soil
7
Region near the equator
8
Vast body of salt water
10
Imaginary line around the middle of Earth
纵向
2
Line dividing two countries
3
Body of water surrounded by land
4
One of seven major landmasses
6
Flat grassland in tropical regions
9
Total number of people in an area