横向
1
Region between the two tropic lines
3
Narrow sea inlet between cliffs
4
Imaginary line around the middle of Earth
5
Large area covered with trees
7
Largest hot desert in the world
8
Distance east or west of prime meridian
纵向
2
Wearing away of land by water or wind
4
Where river meets the sea
6
Landform where river meets the sea
9
Area where water covers the soil