横向
1
Low-lying land surrounded by higher ground
4
Chain or group of islands
6
Distance north or south of equator
12
Landform where river meets the sea
14
Region between the two tropic lines
纵向
2
Largest river in South America
3
City that is seat of government
5
Visual representation of an area
7
Flat elevated area of land
8
Tool for finding directions
9
Steep rock face at edge of land
10
Line dividing two countries
11
Ridge of rock or coral near the surface
13
Large natural stream of water
