横向
1
Flat elevated area of land
4
Imaginary line around the middle of Earth
7
Seasonal heavy rainfall
8
Height above sea level
10
Tool for finding directions
纵向
2
Physical features of land
3
Mountain that can erupt with lava
5
Large natural stream of water
6
Largest hot desert in the world
9
Ridge of rock or coral near the surface
11
Large area covered with trees
12
Large slow-moving mass of ice