横向
1
Distance east or west of prime meridian
2
Largest ocean on Earth
4
Large natural elevation of earth
6
Landform where river meets the sea
7
Long-term weather patterns of an area
8
Imaginary line around the middle of Earth
9
Low area between mountains
10
Dry land with little rainfall
纵向
1
Distance north or south of equator
2
Total number of people in an area
3
Area where water covers the soil
5
Half of the Earth
