横向
1
Largest hot desert in the world
4
Distance east or west of prime meridian
8
Vast body of salt water
9
Largest river in South America
10
Wearing away of land by water or wind
纵向
2
Body of water surrounded by land
3
Area where water covers the soil
5
Piece of land jutting into the sea
6
Goods brought in from another country
7
Large body of water partly enclosed by land
11
Dry land with little rainfall
12
Physical features of land