横向
1
Cold treeless Arctic plain
4
Region surrounding the North Pole
5
Goods brought in from another country
9
Body of water surrounded by land
10
Tool for finding directions
纵向
1
Region between the two tropic lines
2
Largest ocean on Earth
3
Seasonal heavy rainfall
6
Total number of people in an area
7
Distance north or south of equator
8
Large slow-moving mass of ice