横向
1
Imaginary line around the middle of Earth
5
Flat grassland in tropical regions
6
Mountain that can erupt with lava
7
Landform where river meets the sea
11
Steep rock face at edge of land
纵向
2
Height above sea level
3
Visual representation of an area
4
Region surrounding the North Pole
8
Chain or group of islands
9
Deep narrow valley with steep sides
10
Region near the equator
12
Low-lying land surrounded by higher ground