横向
1
Wearing away of land by water or wind
5
Deep narrow valley with steep sides
7
Half of the Earth
8
Dry land with little rainfall
10
Body of water surrounded by land
11
Imaginary line around the middle of Earth
纵向
2
Ridge of rock or coral near the surface
3
Where river meets the sea
4
Goods brought in from another country
6
Largest hot desert in the world
9
Landform where river meets the sea
10
Distance east or west of prime meridian