横向
1
Large natural stream of water
3
Total number of people in an area
4
Large slow-moving mass of ice
8
Land surrounded by water on three sides
11
Largest hot desert in the world
12
Large body of water partly enclosed by land
纵向
2
Distance north or south of equator
5
Mountain that can erupt with lava
6
Long-term weather patterns of an area
7
Area where water covers the soil
9
Ridge of rock or coral near the surface
10
Flat elevated area of land