横向
1
Physical features of land
4
Steep rock face at edge of land
6
Seasonal heavy rainfall
7
Raised area of land, smaller than a mountain
8
Deep narrow valley with steep sides
12
Large natural stream of water
纵向
2
Visual representation of an area
3
Mountain that can erupt with lava
5
Wearing away of land by water or wind
9
Tool for finding directions
10
Imaginary line around the middle of Earth
11
One of seven major landmasses