横向
1
Steep rock face at edge of land
3
Physical features of land
5
Imaginary line around the middle of Earth
6
Distance north or south of equator
10
Region near the equator
纵向
2
Low area between mountains
4
Largest river in South America
7
Landform where river meets the sea
8
Wearing away of land by water or wind
9
Total number of people in an area
11
Largest hot desert in the world