横向
1
Large area covered with trees
5
Region near the equator
6
Area where water covers the soil
7
Steep rock face at edge of land
9
Landform where river meets the sea
纵向
2
Half of the Earth
3
Distance north or south of equator
4
Largest ocean on Earth
8
Low-lying land surrounded by higher ground
10
Deep narrow valley with steep sides
11
Low area between mountains