横向
1
Line dividing two countries
4
Distance north or south of equator
6
Largest ocean on Earth
8
Largest hot desert in the world
9
Area where water covers the soil
11
Largest river in South America
12
Region near the equator
纵向
2
Imaginary line around the middle of Earth
3
Body of water surrounded by land
5
Physical features of land
7
Piece of land jutting into the sea
10
Deep narrow valley with steep sides
13
Dry land with little rainfall