横向
1
Total number of people in an area
6
Region surrounding the North Pole
7
Imaginary line around the middle of Earth
8
Region between the two tropic lines
9
Large natural stream of water
纵向
2
Goods brought in from another country
3
Half of the Earth
4
Distance north or south of equator
5
Where river meets the sea
6
Ocean between Americas and Europe/Africa
