横向
1
Distance north or south of equator
3
Largest river in South America
7
Large area covered with trees
9
Ocean between Americas and Europe/Africa
10
Body of water surrounded by land
11
Region between the two tropic lines
12
Flat elevated area of land
纵向
2
Tool for finding directions
4
Steep rock face at edge of land
5
Seasonal heavy rainfall
6
Long-term weather patterns of an area
8
Flat grassland in tropical regions
13
Low area between mountains
14
Total number of people in an area
15
Physical features of land