横向
1
Distance north or south of equator
3
Largest river in South America
5
Region between the two tropic lines
6
Body of water surrounded by land
7
Half of the Earth
9
Tool for finding directions
10
Landform where river meets the sea
纵向
2
Imaginary line around the middle of Earth
3
Region surrounding the North Pole
4
Largest ocean on Earth
5
Physical features of land
8
Deep narrow valley with steep sides