横向
1
Area where water covers the soil
4
Vast body of salt water
6
One of seven major landmasses
7
Deep narrow valley with steep sides
11
Land surrounded by water on three sides
12
Half of the Earth
13
Region between the two tropic lines
纵向
2
Height above sea level
3
Imaginary line around the middle of Earth
5
Physical features of land
6
Tool for finding directions
8
Largest river in South America
9
Piece of land jutting into the sea
10
Largest ocean on Earth