横向
1
Area where water covers the soil
3
Large natural stream of water
6
Dry land with little rainfall
9
Region surrounding the North Pole
10
Where river meets the sea
纵向
2
Region near the equator
4
Ridge of rock or coral near the surface
5
Distance east or west of prime meridian
7
Mountain that can erupt with lava
8
Largest hot desert in the world