横向
1
Where river meets the sea
5
Largest river in South America
6
Large natural stream of water
7
Line dividing two countries
12
Visual representation of an area
14
Region near the equator
纵向
2
Large area covered with trees
3
Vast body of salt water
4
Cold treeless Arctic plain
8
Piece of land jutting into the sea
9
Total number of people in an area
10
Dry land with little rainfall
11
Height above sea level
13
Imaginary line around the middle of Earth