横向
1
Cold treeless Arctic plain
3
Region between the two tropic lines
5
Area where water covers the soil
6
Where river meets the sea
12
Region near the equator
纵向
2
Imaginary line around the middle of Earth
3
Physical features of land
4
Large area covered with trees
7
Largest river in South America
8
Large slow-moving mass of ice
9
Large natural elevation of earth
10
Distance east or west of prime meridian
11
Large body of water partly enclosed by land