横向
1
Steep rock face at edge of land
4
Visual representation of an area
5
Body of water surrounded by land
7
Large natural elevation of earth
8
Cold treeless Arctic plain
11
Physical features of land
12
Height above sea level
纵向
2
Distance east or west of prime meridian
3
Region surrounding the North Pole
6
Large body of water partly enclosed by land
9
Largest river in South America
10
Ridge of rock or coral near the surface