横向
1
Ocean between Americas and Europe/Africa
4
Body of water surrounded by land
7
Wearing away of land by water or wind
8
Dry land with little rainfall
9
Distance north or south of equator
纵向
2
Flat grassland in tropical regions
3
Steep rock face at edge of land
5
Total number of people in an area
6
Large slow-moving mass of ice
10
Low-lying land surrounded by higher ground
11
Largest hot desert in the world