横向
1
Imaginary line around the middle of Earth
5
Dry land with little rainfall
6
Low-lying land surrounded by higher ground
9
Large body of water partly enclosed by land
纵向
1
Goods sold to another country
2
Land surrounded by water on three sides
3
Largest hot desert in the world
4
Total number of people in an area
7
Distance north or south of equator
8
Wearing away of land by water or wind